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• 
  Species: Corydoras(ln9) sp. (C079)
  Caption: C079
• 
  Species: Corydoras(ln1) sp. (C115)
  Caption: C115
• 
  Species: Corydoras(ln1) sp. (C115)
  Caption: C116
• 
  Species: Corydoras(ln1) sp. (C115)
  Caption: C116
• 
  Species: Corydoras(ln8sc4) ornatus
  Caption: C141 (right) and C. ornatus (left)
• 
  Species: Corydoras(ln8sc4) sp. (C141)
  Caption: C141 (right) and C. ornatus (left)
• 
  Species: Baryancistrus xanthellus
  Caption: Cachoeira Cutuvelo on the Rio Xingu
• 
  Species: Ancistrus damasceni
  Caption: Cachoeira da Campeira (Campeira Waterfall), Piauí, Brazil
• 
  Species: Trachelyopterus porosus
  Caption: Cachoeira do Arari
• 
  Species: Ancistrus ranunculus
  Caption: Cachoeira Grande do Iriri, 03°50'35.5"S, 052°44'08.3"W
• 
  Species: Parancistrus nudiventris
  Caption: Cachoeira Grande do Iriri, 03°50'35.5"S, 052°44'08.3"W
• 
  Species: Spectracanthicus punctatissimus
  Caption: Cachoeira Grande do Iriri, 03°50'35.5"S, 052°44'08.3"W
• 
  Species: Spectracanthicus zuanoni
  Caption: Cachoeira Grande do Iriri, 03°50'35.5"S, 052°44'08.3"W
• 
  Species: Ancistrus cf. cirrhosus
  Caption: Calico variety
• 
  Species: Ancistrus cf. cirrhosus
  Caption: Calico variety
• 
  Species: Ancistrus cf. cirrhosus
  Caption: Calico variety
• 
  Species: Nannoptopoma sp. `PERU(1)`
  Caption: Camouflaged fry on greenery
• 
  Species: Ancistrus taunayi
  Caption: Canada del vigia
• 
  Species: Hemiancistrus cf. punctulatus
  Caption: Canada del vigia, Uruguay
• 
  Species: Hemiancistrus cf. punctulatus
  Caption: Canada del vigia, Uruguay; Close-up of mouth
• 
  Species: Hatcheria macraei
  Caption: Canal Pescara, Mendoza River
• 
  Species: Cathorops spixii
  Caption: Cananéia-Iguape Estuary, Brazil
• 
  Species: Cathorops spixii
  Caption: Cananéia-Iguape Estuary, Brazil
• 
  Species: Otocinclus huaorani
  Caption: Cano Banderita
• 
  Species: Lamontichthys llanero
  Caption: Caño Chichimene
• 
  Species: Microglanis iheringi
  Caption: Cano Guanapalo, Colombia
• 
  Species: Malacoglanis gelatinosus
  Caption: Cano Palomas
• 
  Species: Malacoglanis gelatinosus
  Caption: Cano Palomas, dorsal view
• 
  Species: Malacoglanis gelatinosus
  Caption: Cano Palomas, ventral view
• 
  Species: Batrochoglanis acanthochiroides
  Caption: Cano Seco, Dept Norte de Santander, Rio Catatumbo
• 
  Species: Hypancistrus zebra
  Caption: Captive bred infants
• 
  Species: Duringlanis perugiae
  Caption: Captive bred juvenile
• 
  Species: Acanthicus adonis
  Caption: Captive bred juveniles
• 
  Species: Hypostomus sp. `RIO FORMOSO`
  Caption: Capture of a young 11 cm fish from rio formoso
• 
  Species: Loricaria lata
  Caption: Captured in Rio Tocantins
• 
  Species: Hypostomus subcarinatus
  Caption: Castelnau original drawing reproduced by Zawadzki
• 
  Species: Corydoras(ln9) punctatus
  Caption: Catching Corydoras punctatus
• 
  Species: Microglanis sp. `CATUA-IPIXUNA RESEX`
  Caption: Catua-Ipixuna RESEX, reported as M. aff. poecilus
• 
  Species: Chaetostoma sovichthys
  Caption: Catutumbo basin
• 
  Species: Hypancistrus inspector
  Caption: Caudal fin
• 
  Species: Pseudacanthicus sp. (L063)
  Caption: Caudal fin
• 
  Species: Pseudacanthicus spinosus
  Caption: Caudal fin
• 
  Species: Malapterurus teugelsi
  Caption: Caudal saddle & bar patterns. Ndousihoun River
• 
  Species: Hypostomus basilisko
  Caption: Caught in Rio Formoso
• 
  Species: Hopliancistrus wolverine
  Caption: Caught in Rio Iriri
• 
  Species: Pimelodella australis
  Caption: Caught in Rio Yi, Durazno, Uruguay
• 
  Species: Silurus glanis
  Caption: Caught in the River Ebro, Spain
• 
  Species: Bagre marinus
  Caption: Caught off the coast of Costa Rica
• 
  Species: Bagre marinus
  Caption: Caught off the coast of Costa Rica
• 
  Species: Bagre marinus
  Caption: Caught off the coast of Texas
• 
  Species: Heterobranchus longifilis
  Caption: Caught on Lake Nasser, Egypt
• 
  Species: Hemibagrus punctatus
  Caption: Cauvery River, Karnataka
• 
  Species: Hemibagrus punctatus
  Caption: Cauvery River, Karnataka
• 
  Species: Rineloricaria cadeae
  Caption: Cerro Largo, Uruguay
• 
  Species: Rineloricaria cadeae
  Caption: Cerro Largo, Uruguay (A pair)
• 
  Species: Rineloricaria cadeae
  Caption: Cerro Largo, Uruguay (A pair)
• 
  Species: Rineloricaria cadeae
  Caption: Cerro Largo, Uruguay (Habitat)
• 
  Species: Rineloricaria cadeae
  Caption: Cerro Largo, Uruguay (male)
• 
  Species: Rineloricaria cadeae
  Caption: Cerro Largo, Uruguay (Mouth)
• 
  Species: Olyra praestigiosa
  Caption: Chel River, Darjeeling , India
• 
  Species: Olyra praestigiosa
  Caption: Chel River, Darjeeling , India
• 
  Species: Olyra praestigiosa
  Caption: Chel River, Darjeeling , India
• 
  Species: Olyra praestigiosa
  Caption: Chel River, Darjeeling , India
• 
  Species: Olyra praestigiosa
  Caption: Chel River, Darjeeling , India
• 
  Species: Olyra praestigiosa
  Caption: Chel River, Darjeeling , India
• 
  Species: Ictalurus punctatus
  Caption: Chihuahua, Northern Mexico
• 
  Species: Hypophthalmus sp. `RIO MAMORE`
  Caption: Chipiri river, Mamore Drainage, Bolivia
• 
  Species: Zaireichthys cf. pallidus
  Caption: Chobe Rapids, Kasane
• 
  Species: Zaireichthys cf. pallidus
  Caption: Chobe Rapids, Kasane. Dorsal view
• 
  Species: Zaireichthys cf. pallidus
  Caption: Chobe Rapids, Kasane. Dorsal view
• 
  Species: Corydoras(ln7) aeneus
  Caption: Classic
• 
  Species: Noturus flavus
  Caption: Clinton River, Macomb County, Mich.
• 
  Species: Noturus flavus
  Caption: Clinton River, Macomb County, Mich.
• 
  Species: Noturus flavus
  Caption: Clinton River, Macomb County, Mich.
• 
  Species: Noturus flavus
  Caption: Clinton River, Macomb County, Mich.
• 
  Species: Noturus flavus
  Caption: Clinton River, Macomb County, Mich.
• 
  Species: Ancistrus sp. `LOWER RIO NEGRO`
  Caption: Close of head tentacles
• 
  Species: Ancistomus sp. (L147)
  Caption: Close up of a male and his cheek odontodes
• 
  Species: Aposturisoma myriodon
  Caption: Close up of dorsal view of head
• 
  Species: Loricaria simillima
  Caption: Close up of eggs hatching at twelve days
• 
  Species: Mystus bleekeri
  Caption: Close up of fontanel.
• 
  Species: Baryancistrus sp. (L142)
  Caption: Close up of head
• 
  Species: Crossoloricaria sp. `RIO PALOMETILLA`
  Caption: Close up of head
• 
  Species: Pseudorinelepis genibarbis
  Caption: Close up of head
• 
  Species: Sturisoma robustum
  Caption: Close up of head
• 
  Species: Caelatoglanis zonatus
  Caption: Close up of head
• 
  Species: Ancistrus cf. cirrhosus
  Caption: Close up of head, Super red
• 
  Species: Rita gogra
  Caption: Close up of head.
• 
  Species: Ancistomus sp. (L430)
  Caption: Close up of mouth
• 
  Species: Hypostomus sp. `RIO URARICOERA`
  Caption: Close up of mouth
• 
  Species: Pseudancistrus nigrescens
  Caption: Close up of mouth
• 
  Species: Microglanis malabarbai
  Caption: Close up of posterior body and caudal fin
• 
  Species: Pseudeutropius mitchelli
  Caption: Close up showing tooth patches
• 
  Species: Amphilius platychir
  Caption: Close-up
• 
  Species: Entomocorus gameroi
  Caption: Close-up
• 
  Species: Pseudomystus cf. stenomus
  Caption: Close-up
• 
  Species: Phreatobius dracunculus
  Caption: Close-up (from arrow, left) lateritic well wall
• 
  Species: Crossoloricaria sp. `PERU`
  Caption: Close-up dorsal view
• 
  Species: Loricaria birindellii
  Caption: Close-up dorsal view
• 
  Species: Sturisomatichthys reinae
  Caption: Close-up dorsal view
• 
  Species: Synodontis granulosus
  Caption: Close-up dorsal view of head
• 
  Species: Peckoltia braueri
  Caption: Close-up dorsal view of head showing pattern variances
• 
  Species: Panaque sp. (L191)
  Caption: Close-up eating cucmber
• 
  Species: Otocinclus vittatus
  Caption: Close-up lateral view
• 
  Species: Otocinclus vittatus
  Caption: Close-up lateral view of head
• 
  Species: Ancistrus cirrhosus
  Caption: Close-up of "hook-like" evertible spines
• 
  Species: Leporacanthicus heterodon
  Caption: Close-up of "vampire" teeth
• 
  Species: Bagarius yarrelli
  Caption: Close-up of a mouthful of teeth!
• 
  Species: Glyptothorax chimtuipuiensis
  Caption: Close-up of adhesive apparatus
• 
  Species: Pseudecheneis koladynae
  Caption: Close-up of adhesive apparatus.
• 
  Species: Pseudecheneis sympelvica
  Caption: Close-up of adhesive disc
• 
  Species: Tatia jaracatia
  Caption: Close-up of adipose and anal fin
• 
  Species: Aguarunichthys torosus
  Caption: Close-up of adult head
• 
  Species: Pseudeutropius indigens
  Caption: Close-up of anal fin detail
• 
  Species: Pseudeutropius brachypopterus
  Caption: Close-up of anal fin ray detail
• 
  Species: Hypostomus sp. `RIO PAYAMINO`
  Caption: Close-up of anterior
• 
  Species: Ancistrus sp. (L120)
  Caption: Close-up of barbed hooks
• 
  Species: Ossancora eigenmanni
  Caption: Close-up of barbels
• 
  Species: Planiloricaria cryptodon
  Caption: Close-up of barbels
• 
  Species: Mochokiella paynei
  Caption: Close-up of barbels
• 
  Species: Synodontis batensoda
  Caption: Close-up of barbels
• 
  Species: Synodontis membranaceus
  Caption: Close-up of barbels
• 
  Species: Leiarius pictus
  Caption: Close-up of barbels
• 
  Species: Hemidoras stenopeltis
  Caption: Close-up of barbles
• 
  Species: Synodontis petricola
  Caption: Close-up of blunt head variant
• 
  Species: Megalodoras uranoscopus
  Caption: Close-up of body armour plates
• 
  Species: Scleromystax barbatus
  Caption: Close-up of body armour scutes
• 
  Species: Leporacanthicus cf. galaxias(l241)
  Caption: Close-up of body odontodes
• 
  Species: Nannoptopoma sp. `PERU(1)`
  Caption: Close-up of body odontodes
• 
  Species: Liosomadoras oncinus
  Caption: Close-up of body pattern
• 
  Species: Dianema longibarbis
  Caption: Close-up of bubblenest
• 
  Species: Bagrichthys macracanthus
  Caption: Close-up of caudal area
• 
  Species: Mystus ankutta
  Caption: Close-up of caudal area
• 
  Species: Corydoras(ln8sc4) crimmeni
  Caption: Close-up of caudal area
• 
  Species: Gladioglanis anacanthus
  Caption: Close-up of caudal area
• 
  Species: Gladioglanis machadoi
  Caption: Close-up of caudal area
• 
  Species: Chaetostoma dupouii
  Caption: Close-up of caudal area
• 
  Species: Tatia jaracatia
  Caption: Close-up of caudal fin
• 
  Species: Hemibagrus olyroides
  Caption: Close-up of caudal fin
• 
  Species: Olyra longicaudata
  Caption: Close-up of caudal fin
• 
  Species: Corydoras(ln9) boesemani
  Caption: Close-up of caudal fin
• 
  Species: Corydoras(ln9) sp. (Cw159)
  Caption: Close-up of caudal fin
• 
  Species: Corydoras(ln9) sp. (Cw159)
  Caption: Close-up of caudal fin
• 
  Species: Ictalurus furcatus
  Caption: Close-up of caudal fin
• 
  Species: Chaetostoma sp. (L402)
  Caption: Close-up of caudal fin
• 
  Species: Lasiancistrus heteracanthus
  Caption: Close-up of caudal fin
• 
  Species: Lasiancistrus sp. (L033)
  Caption: Close-up of caudal fin
• 
  Species: Leporacanthicus cf. galaxias(l241)
  Caption: Close-up of caudal fin
• 
  Species: Pseudohemiodon sp. `PARAGUAY`
  Caption: Close-up of caudal fin
• 
  Species: Isorineloricaria acuarius
  Caption: Close-up of caudal fin of adult
• 
  Species: Mystus bimaculatus
  Caption: Close-up of caudal peduncle
• 
  Species: Lithodoras dorsalis
  Caption: Close-up of caudal peduncle and tail
• 
  Species: Otocinclus vittatus
  Caption: Close-up of caudal pigmentation
• 
  Species: Plotosus papuensis
  Caption: Close-up of dendritic organ
• 
  Species: Farlowella platorynchus
  Caption: Close-up of developing eggs
• 
  Species: Erethistes pusillus
  Caption: Close-up of divergent spines
• 
  Species: Hemibagrus olyroides
  Caption: Close-up of dorasl fin
• 
  Species: Ancistrus sp. (L071)
  Caption: Close-up of dorsal
• 
  Species: Orinocodoras eigenmanni
  Caption: Close-up of dorsal area
• 
  Species: Bunocephalus verrucosus
  Caption: Close-up of dorsal fin
• 
  Species: Liosomadoras morrowi
  Caption: Close-up of dorsal fin
• 
  Species: Tatia jaracatia
  Caption: Close-up of dorsal fin
• 
  Species: Corydoras(ln8sc4) crimmeni
  Caption: Close-up of dorsal fin
• 
  Species: Corydoras(ln8sc4) seussi
  Caption: Close-up of dorsal fin
• 
  Species: Corydoras(ln9) boesemani
  Caption: Close-up of dorsal fin
• 
  Species: Corydoras(ln9) sp. (Cw159)
  Caption: Close-up of dorsal fin
• 
  Species: Corydoras(ln9) sp. (Cw159)
  Caption: Close-up of dorsal fin
• 
  Species: Ancistrus dolichopterus
  Caption: Close-up of dorsal fin
• 
  Species: Ancistrus sp. (L088)
  Caption: Close-up of dorsal fin
• 
  Species: Aphanotorulus ammophilus
  Caption: Close-up of dorsal fin
• 
  Species: Aphanotorulus emarginatus
  Caption: Close-up of dorsal fin
• 
  Species: Chaetostoma dupouii
  Caption: Close-up of dorsal fin
• 
  Species: Chaetostoma sp. (L402)
  Caption: Close-up of dorsal fin
• 
  Species: Hypostomus roseopunctatus
  Caption: Close-up of dorsal fin
• 
  Species: Hypostomus sp. (L245)
  Caption: Close-up of dorsal fin
• 
  Species: Oxyropsis wrightiana
  Caption: Close-up of dorsal fin
• 
  Species: Pseudacanthicus spinosus
  Caption: Close-up of dorsal fin
• 
  Species: Pseudohemiodon sp. `PARAGUAY`
  Caption: Close-up of dorsal fin
• 
  Species: Pterygoplichthys scrophus
  Caption: Close-up of dorsal fin
• 
  Species: Rineloricaria sp. (5)
  Caption: Close-up of dorsal fin
• 
  Species: Auchenoglanis senegali
  Caption: Close-up of dorsal fin-110 mm SL
• 
  Species: Acanthicus hystrix
  Caption: Close-up of dorsal fin. Rio Tocantins, near town of Estreito, Maranhão state, Brazil
• 
  Species: Hemiancistrus sp. (L128)
  Caption: Close-up of dorsal fins
• 
  Species: Noturus gyrinus
  Caption: Close-up of dorsal view
• 
  Species: Sturisomatichthys aureus
  Caption: Close-up of dorsal view
• 
  Species: Trachelyopterus sp. (2)
  Caption: Close-up of dorsal view of head
• 
  Species: Chaca bankanensis
  Caption: Close-up of dorsal view of head
• 
  Species: Chaca chaca
  Caption: Close-up of dorsal view of head
• 
  Species: Dolichancistrus fuesslii
  Caption: Close-up of dorsal view of head
• 
  Species: Rineloricaria melini
  Caption: Close-up of dorsal view of head
• 
  Species: Brachyplatystoma tigrinum
  Caption: Close-up of dorsal view of head
• 
  Species: Trachelyichthys exilis
  Caption: Close-up of egg (day 1)
• 
  Species: Tatia intermedia
  Caption: Close-up of egg mass
• 
  Species: Aspidoras spilotus
  Caption: Close-up of eggs
• 
  Species: Ancistrus sp. (L107)
  Caption: Close-up of eggs
• 
  Species: Farlowella platorynchus
  Caption: Close-up of eggs
• 
  Species: Parotocinclus jumbo
  Caption: Close-up of eggs
• 
  Species: Pseudohemiodon sp. `MARBLED`
  Caption: Close-up of eggs (day 10)
• 
  Species: Pseudohemiodon sp. `MARBLED`
  Caption: Close-up of eggs (day 4)
• 
  Species: Asterophysus batrachus
  Caption: Close-up of extended mouth
• 
  Species: Auchenoglanis senegali
  Caption: Close-up of eye
• 
  Species: Ancistrus ranunculus
  Caption: Close-up of eye
• 
  Species: Baryancistrus sp. (L142)
  Caption: Close-up of eye
• 
  Species: Hypostomus luteomaculatus
  Caption: Close-up of eye
• 
  Species: Hypostomus luteus
  Caption: Close-up of eye
• 
  Species: Hypostomus oculeus
  Caption: Close-up of eye
• 
  Species: Hypostomus soniae
  Caption: Close-up of eye
• 
  Species: Leporacanthicus heterodon
  Caption: Close-up of eye
• 
  Species: Panaque cf. armbrusteri`araguaia`
  Caption: Close-up of eye
• 
  Species: Panaque cochliodon
  Caption: Close-up of eye
• 
  Species: Panaque nigrolineatus laurafabianae
  Caption: Close-up of eye
• 
  Species: Pseudacanthicus spinosus
  Caption: Close-up of eye
• 
  Species: Pterygoplichthys gibbiceps
  Caption: Close-up of eye
• 
  Species: Scobinancistrus aureatus
  Caption: Close-up of eye
• 
  Species: Belodontichthys dinema
  Caption: Close-up of eye
• 
  Species: Acanthicus hystrix
  Caption: Close-up of eye. Rio Tocantins, near town of Estreito, Maranhão state, Brazil
• 
  Species: Hisonotus aky
  Caption: Close-up of female
• 
  Species: Peckoltia sabaji
  Caption: Close-up of female
• 
  Species: Duringlanis perugiae
  Caption: Close-up of female anal fin
• 
  Species: Platystacus cotylephorus
  Caption: Close-up of female and egg
• 
  Species: Rhamdia humilis
  Caption: Close-up of female belly cut open to show roe
• 
  Species: Clarias batrachus
  Caption: Close-up of female genital area
• 
  Species: Chrysichthys brachynema
  Caption: Close-up of female genital area
• 
  Species: Megalodoras uranoscopus
  Caption: Close-up of female genital area
• 
  Species: Goeldiella eques
  Caption: Close-up of female genital area
• 
  Species: Sturisomatichthys aureus
  Caption: Close-up of female genital area
• 
  Species: Leiarius pictus
  Caption: Close-up of female genital area
• 
  Species: Synodontis clarias
  Caption: Close-up of female ventral area
• 
  Species: Hypancistrus sp. (L316)
  Caption: Close-up of female's cheek
• 
  Species: Hypancistrus furunculus
  Caption: Close-up of female's genital papillae
• 
  Species: Liobagrus marginatus
  Caption: Close-up of female's head
• 
  Species: Pimelodus pictus
  Caption: Close-up of fin
• 
  Species: Parotocinclus jumbo
  Caption: Close-up of fry
• 
  Species: Panaqolus sp. (L002)
  Caption: Close-up of genital papilla
• 
  Species: Oreoglanis omkoiensis
  Caption: Close-up of genital papilla. A, female. B, male.
• 
  Species: Panaque schaeferi
  Caption: Close-up of gill area
• 
  Species: Acrochordonichthys ischnosoma
  Caption: Close-up of head
• 
  Species: Acrochordonichthys strigosus
  Caption: Close-up of head
• 
  Species: Akysis prashadi
  Caption: Close-up of head
• 
  Species: Akysis prashadi
  Caption: Close-up of head
• 
  Species: Akysis recavus
  Caption: Close-up of head
• 
  Species: Akysis vespa
  Caption: Close-up of head
• 
  Species: Parakysis anomalopteryx
  Caption: Close-up of head
• 
  Species: Parakysis grandis
  Caption: Close-up of head
• 
  Species: Parakysis notialis
  Caption: Close-up of head
• 
  Species: Parakysis verrucosus
  Caption: Close-up of head
• 
  Species: Amblyceps cerinum
  Caption: Close-up of head
• 
  Species: Belonoglanis brieni
  Caption: Close-up of head
• 
  Species: Trachyglanis ineac
  Caption: Close-up of head
• 
  Species: Ariopsis felis
  Caption: Close-up of head
• 
  Species: Bagre marinus
  Caption: Close-up of head
• 
  Species: Bunocephalus coracoideus
  Caption: Close-up of head
• 
  Species: Bunocephalus verrucosus
  Caption: Close-up of head
• 
  Species: Platystacus cotylephorus
  Caption: Close-up of head
• 
  Species: Platystacus cotylephorus
  Caption: Close-up of head
• 
  Species: Pterobunocephalus depressus
  Caption: Close-up of head
• 
  Species: Xyliphius melanopterus
  Caption: Close-up of head
• 
  Species: Ageneiosus inermis
  Caption: Close-up of head
• 
  Species: Ageneiosus marmoratus
  Caption: Close-up of head
• 
  Species: Ageneiosus marmoratus
  Caption: Close-up of head
• 
  Species: Asterophysus batrachus
  Caption: Close-up of head
• 
  Species: Auchenipterichthys punctatus
  Caption: Close-up of head
• 
  Species: Auchenipterichthys punctatus
  Caption: Close-up of head
• 
  Species: Auchenipterus nuchalis
  Caption: Close-up of head
• 
  Species: Balroglanis schultzi
  Caption: Close-up of head
• 
  Species: Duringlanis romani
  Caption: Close-up of head
• 
  Species: Liosomadoras morrowi
  Caption: Close-up of head
• 
  Species: Spinipterus acsi
  Caption: Close-up of head
• 
  Species: Tatia gyrina
  Caption: Close-up of head
• 
  Species: Tatia musaica
  Caption: Close-up of head
• 
  Species: Tatia simplex
  Caption: Close-up of head
• 
  Species: Tetranematichthys wallacei
  Caption: Close-up of head
• 
  Species: Tetranematichthys wallacei
  Caption: Close-up of head
• 
  Species: Trachelyopterus fisheri
  Caption: Close-up of head
• 
  Species: Trachelyopterus galeatus
  Caption: Close-up of head
• 
  Species: Trachelyopterus sp. (2)
  Caption: Close-up of head
• 
  Species: Austroglanis gilli
  Caption: Close-up of head
• 
  Species: Bagrichthys macracanthus
  Caption: Close-up of head
• 
  Species: Hemibagrus microphthalmus
  Caption: Close-up of head
• 
  Species: Hemibagrus wyckii
  Caption: Close-up of head
• 
  Species: Hemibagrus wyckii
  Caption: Close-up of head
• 
  Species: Leiocassis bekantan
  Caption: Close-up of head
• 
  Species: Mystus aff. gulio
  Caption: Close-up of head
• 
  Species: Mystus aff. gulio
  Caption: Close-up of head
• 
  Species: Mystus ankutta
  Caption: Close-up of head
• 
  Species: Mystus bocourti
  Caption: Close-up of head
• 
  Species: Mystus carcio
  Caption: Close-up of head
• 
  Species: Nanobagrus immaculatus
  Caption: Close-up of head
• 
  Species: Pseudomystus cf. stenomus
  Caption: Close-up of head
• 
  Species: Pseudomystus funebris
  Caption: Close-up of head
• 
  Species: Pseudomystus stenogrammus
  Caption: Close-up of head
• 
  Species: Rita kuturnee
  Caption: Close-up of head
• 
  Species: Sperata aor
  Caption: Close-up of head
• 
  Species: Tachysurus fulvidraco
  Caption: Close-up of head
• 
  Species: Corydoras(ln1) blochi
  Caption: Close-up of head
• 
  Species: Corydoras(ln1) narcissus
  Caption: Close-up of head
• 
  Species: Corydoras(ln1) semiaquilus
  Caption: Close-up of head
• 
  Species: Corydoras(ln1) vittatus
  Caption: Close-up of head
• 
  Species: Corydoras(ln7) aeneus
  Caption: Close-up of head
• 
  Species: Corydoras(ln7) schultzei
  Caption: Close-up of head
• 
  Species: Corydoras(ln7) zygatus
  Caption: Close-up of head
• 
  Species: Corydoras(ln8sc4) crimmeni
  Caption: Close-up of head
• 
  Species: Corydoras(ln8sc4) robineae
  Caption: Close-up of head
• 
  Species: Corydoras(ln8sc4) sp. (C141)
  Caption: Close-up of head
• 
  Species: Corydoras(ln9) brevirostris
  Caption: Close-up of head
• 
  Species: Corydoras(ln9) julii
  Caption: Close-up of head
• 
  Species: Corydoras(ln9) sp. (Cw159)
  Caption: Close-up of head
• 
  Species: Corydoras(ln9) sp. (Cw159)
  Caption: Close-up of head
• 
  Species: Megalechis thoracata
  Caption: Close-up of head
• 
  Species: Cetopsis coecutiens
  Caption: Close-up of head
• 
  Species: Bathyclarias foveolatus
  Caption: Close-up of head
• 
  Species: Bathyclarias foveolatus
  Caption: Close-up of head
• 
  Species: Channallabes apus
  Caption: Close-up of head
• 
  Species: Channallabes apus
  Caption: Close-up of head
• 
  Species: Channallabes sp. (1)
  Caption: Close-up of head
• 
  Species: Channallabes sp. (1)
  Caption: Close-up of head
• 
  Species: Clarias alluaudi
  Caption: Close-up of head
• 
  Species: Clarias batrachus
  Caption: Close-up of head
• 
  Species: Clarias gariepinus
  Caption: Close-up of head
• 
  Species: Clarias platycephalus
  Caption: Close-up of head
• 
  Species: Encheloclarias medialis
  Caption: Close-up of head
• 
  Species: Gymnallabes typus
  Caption: Close-up of head
• 
  Species: Gymnallabes typus
  Caption: Close-up of head
• 
  Species: Gymnallabes typus
  Caption: Close-up of head
• 
  Species: Auchenoglanis wittei
  Caption: Close-up of head
• 
  Species: Chrysichthys dendrophorus
  Caption: Close-up of head
• 
  Species: Notoglanidium macrostoma
  Caption: Close-up of head
• 
  Species: Notoglanidium macrostoma
  Caption: Close-up of head
• 
  Species: Parauchenoglanis punctatus
  Caption: Close-up of head
• 
  Species: Phyllonemus filinemus
  Caption: Close-up of head
• 
  Species: Cranoglanis bouderius
  Caption: Close-up of head
• 
  Species: Diplomystes camposensis
  Caption: Close-up of head
• 
  Species: Agamyxis pectinifrons
  Caption: Close-up of head
• 
  Species: Amblydoras nauticus
  Caption: Close-up of head
• 
  Species: Anadoras grypus
  Caption: Close-up of head
• 
  Species: Anadoras weddellii
  Caption: Close-up of head
• 
  Species: Centrodoras brachiatus
  Caption: Close-up of head
• 
  Species: Centrodoras brachiatus
  Caption: Close-up of head
• 
  Species: Doras carinatus
  Caption: Close-up of head
• 
  Species: Hassar wilderi
  Caption: Close-up of head
• 
  Species: Hemidoras stenopeltis
  Caption: Close-up of head
• 
  Species: Orinocodoras eigenmanni
  Caption: Close-up of head
• 
  Species: Oxydoras niger
  Caption: Close-up of head
• 
  Species: Oxydoras niger
  Caption: Close-up of head
• 
  Species: Platydoras armatulus
  Caption: Close-up of head
• 
  Species: Platydoras costatus
  Caption: Close-up of head
• 
  Species: Pterodoras granulosus
  Caption: Close-up of head
• 
  Species: Rhinodoras armbrusteri
  Caption: Close-up of head
• 
  Species: Rhinodoras boehlkei
  Caption: Close-up of head
• 
  Species: Tenellus cristinae
  Caption: Close-up of head
• 
  Species: Gladioglanis anacanthus
  Caption: Close-up of head
• 
  Species: Gladioglanis machadoi
  Caption: Close-up of head
• 
  Species: Goeldiella eques
  Caption: Close-up of head
• 
  Species: Heptapterus tapanahoniensis
  Caption: Close-up of head
• 
  Species: Pimelodella sp. (2)
  Caption: Close-up of head
• 
  Species: Pimelodella sp. (3)
  Caption: Close-up of head
• 
  Species: Rhamdella aymarae
  Caption: Close-up of head
• 
  Species: Rhamdia quelen
  Caption: Close-up of head
• 
  Species: Ameiurus natalis
  Caption: Close-up of head
• 
  Species: Ictalurus furcatus
  Caption: Close-up of head
• 
  Species: Ictalurus punctatus
  Caption: Close-up of head
• 
  Species: Noturus insignis
  Caption: Close-up of head
• 
  Species: Acanthicus adonis
  Caption: Close-up of head
• 
  Species: Acanthicus adonis
  Caption: Close-up of head
• 
  Species: Acanthicus hystrix
  Caption: Close-up of head
• 
  Species: Acestridium gymnogaster
  Caption: Close-up of head
• 
  Species: Ancistomus sp. (L147)
  Caption: Close-up of head
• 
  Species: Ancistrus aff. ranunculus
  Caption: Close-up of head
• 
  Species: Ancistrus sp. (2)
  Caption: Close-up of head
• 
  Species: Ancistrus sp. (L107)
  Caption: Close-up of head
• 
  Species: Ancistrus sp. `LOWER RIO NEGRO`
  Caption: Close-up of head
• 
  Species: Ancistrus temminckii
  Caption: Close-up of head
• 
  Species: Ancistrus triradiatus
  Caption: Close-up of head
• 
  Species: Aphanotorulus ammophilus
  Caption: Close-up of head
• 
  Species: Aphanotorulus ammophilus
  Caption: Close-up of head
• 
  Species: Aphanotorulus emarginatus
  Caption: Close-up of head
• 
  Species: Aposturisoma myriodon
  Caption: Close-up of head
• 
  Species: Baryancistrus demantoides
  Caption: Close-up of head
• 
  Species: Baryancistrus sp. (L019)
  Caption: Close-up of head
• 
  Species: Baryancistrus sp. (L142)
  Caption: Close-up of head
• 
  Species: Chaetostoma dupouii
  Caption: Close-up of head
• 
  Species: Chaetostoma sp. (5)
  Caption: Close-up of head
• 
  Species: Chaetostoma sp. (5)
  Caption: Close-up of head
• 
  Species: Chaetostoma sp. (L455)
  Caption: Close-up of head
• 
  Species: Chaetostoma sp. (L457)
  Caption: Close-up of head
• 
  Species: Chaetostoma sp. `COLOMBIA`
  Caption: Close-up of head
• 
  Species: Corumbataia tocantinensis
  Caption: Close-up of head
• 
  Species: Crossoloricaria cephalaspis
  Caption: Close-up of head
• 
  Species: Crossoloricaria variegata
  Caption: Close-up of head
• 
  Species: Dolichancistrus fuesslii
  Caption: Close-up of head
• 
  Species: Dolichancistrus fuesslii
  Caption: Close-up of head
• 
  Species: Farlowella amazonum
  Caption: Close-up of head
• 
  Species: Farlowella hahni
  Caption: Close-up of head
• 
  Species: Farlowella paraguayensis
  Caption: Close-up of head
• 
  Species: Farlowella vittata
  Caption: Close-up of head
• 
  Species: Harttia punctata
  Caption: Close-up of head
• 
  Species: Hemiancistrus subviridis
  Caption: Close-up of head
• 
  Species: Hemiodontichthys acipenserinus
  Caption: Close-up of head
• 
  Species: Hisonotus chromodontus
  Caption: Close-up of head
• 
  Species: Hypancistrus contradens
  Caption: Close-up of head
• 
  Species: Hypancistrus inspector
  Caption: Close-up of head
• 
  Species: Hypancistrus inspector
  Caption: Close-up of head
• 
  Species: Hypancistrus sp. `LOWER RIO XINGU`
  Caption: Close-up of head
• 
  Species: Hypoptopoma cf. guentheri
  Caption: Close-up of head
• 
  Species: Hypoptopoma inexspectatum
  Caption: Close-up of head
• 
  Species: Hypostomus aspidolepis
  Caption: Close-up of head
• 
  Species: Hypostomus bolivianus
  Caption: Close-up of head
• 
  Species: Hypostomus plecostomus
  Caption: Close-up of head
• 
  Species: Hypostomus regani
  Caption: Close-up of head
• 
  Species: Hypostomus regani
  Caption: Close-up of head
• 
  Species: Hypostomus scaphyceps
  Caption: Close-up of head
• 
  Species: Hypostomus soniae
  Caption: Close-up of head
• 
  Species: Hypostomus sp. (L231)
  Caption: Close-up of head
• 
  Species: Hypostomus sp. (L245)
  Caption: Close-up of head
• 
  Species: Hypostomus sp. (L360)
  Caption: Close-up of head
• 
  Species: Lasiancistrus heteracanthus
  Caption: Close-up of head
• 
  Species: Lasiancistrus sp. (L033)
  Caption: Close-up of head
• 
  Species: Leporacanthicus cf. galaxias(l240)
  Caption: Close-up of head
• 
  Species: Leporacanthicus galaxias
  Caption: Close-up of head
• 
  Species: Leporacanthicus heterodon
  Caption: Close-up of head
• 
  Species: Leporacanthicus joselimai
  Caption: Close-up of head
• 
  Species: Leporacanthicus sp. (L263)
  Caption: Close-up of head
• 
  Species: Loricaria luciae
  Caption: Close-up of head
• 
  Species: Loricariichthys anus
  Caption: Close-up of head
• 
  Species: Loricariichthys anus
  Caption: Close-up of head
• 
  Species: Loricariichthys platymetopon
  Caption: Close-up of head
• 
  Species: Megalancistrus parananus
  Caption: Close-up of head
• 
  Species: Metaloricaria paucidens
  Caption: Close-up of head
• 
  Species: Nannoptopoma sp. `PERU(1)`
  Caption: Close-up of head
• 
  Species: Otocinclus flexilis
  Caption: Close-up of head
• 
  Species: Otocinclus vittatus
  Caption: Close-up of head
• 
  Species: Oxyropsis wrightiana
  Caption: Close-up of head
• 
  Species: Panaqolus albivermis
  Caption: Close-up of head
• 
  Species: Panaqolus cf. nocturnus
  Caption: Close-up of head
• 
  Species: Panaqolus maccus
  Caption: Close-up of head
• 
  Species: Panaqolus sp. (L002)
  Caption: Close-up of head
• 
  Species: Panaqolus sp. (L397)
  Caption: Close-up of head
• 
  Species: Panaqolus sp. (L453)
  Caption: Close-up of head
• 
  Species: Panaqolus sp. (L453)
  Caption: Close-up of head
• 
  Species: Panaqolus sp. (L458)
  Caption: Close-up of head
• 
  Species: Panaque armbrusteri
  Caption: Close-up of head
• 
  Species: Paraloricaria commersonoides
  Caption: Close-up of head
• 
  Species: Paraloricaria vetula
  Caption: Close-up of head
• 
  Species: Parotocinclus jumbo
  Caption: Close-up of head
• 
  Species: Peckoltia braueri
  Caption: Close-up of head
• 
  Species: Peckoltia brevis
  Caption: Close-up of head
• 
  Species: Peckoltia compta
  Caption: Close-up of head
• 
  Species: Peckoltia sabaji
  Caption: Close-up of head
• 
  Species: Peckoltia sp. (L205)
  Caption: Close-up of head
• 
  Species: Peckoltia sp. (L387)
  Caption: Close-up of head
• 
  Species: Peckoltia sp. `RIO NEGRO`
  Caption: Close-up of head
• 
  Species: Pseudacanthicus cf. leopardus
  Caption: Close-up of head
• 
  Species: Pseudacanthicus cf. spinosus
  Caption: Close-up of head
• 
  Species: Pseudacanthicus cf. spinosus
  Caption: Close-up of head
• 
  Species: Pseudacanthicus leopardus
  Caption: Close-up of head
• 
  Species: Pseudacanthicus leopardus
  Caption: Close-up of head
• 
  Species: Pseudacanthicus pirarara
  Caption: Close-up of head
• 
  Species: Pseudacanthicus sp. (L273)
  Caption: Close-up of head
• 
  Species: Pseudacanthicus sp. (LDA105)
  Caption: Close-up of head
• 
  Species: Pseudancistrus depressus
  Caption: Close-up of head
• 
  Species: Pseudohemiodon aff. apithanos
  Caption: Close-up of head
• 
  Species: Pseudohemiodon aff. apithanos
  Caption: Close-up of head
• 
  Species: Pseudohemiodon laticeps
  Caption: Close-up of head
• 
  Species: Pseudohemiodon sp. `PERU II`
  Caption: Close-up of head
• 
  Species: Pseudohemiodon sp. `PERU I`
  Caption: Close-up of head
• 
  Species: Pseudohemiodon sp. `PERU I`
  Caption: Close-up of head
• 
  Species: Pseudolithoxus anthrax
  Caption: Close-up of head
• 
  Species: Pseudolithoxus dumus
  Caption: Close-up of head
• 
  Species: Pseudolithoxus nicoi
  Caption: Close-up of head
• 
  Species: Pterosturisoma microps
  Caption: Close-up of head
• 
  Species: Pterosturisoma microps
  Caption: Close-up of head
• 
  Species: Pterygoplichthys pardalis
  Caption: Close-up of head
• 
  Species: Pterygoplichthys pardalis
  Caption: Close-up of head
• 
  Species: Pterygoplichthys parnaibae
  Caption: Close-up of head
• 
  Species: Pterygoplichthys sp. (L164)
  Caption: Close-up of head
• 
  Species: Pterygoplichthys weberi
  Caption: Close-up of head
• 
  Species: Rineloricaria aff. latirostris
  Caption: Close-up of head
• 
  Species: Rineloricaria cacerensis
  Caption: Close-up of head
• 
  Species: Rineloricaria felipponei
  Caption: Close-up of head
• 
  Species: Rineloricaria melini
  Caption: Close-up of head
• 
  Species: Rineloricaria parva
  Caption: Close-up of head
• 
  Species: Rineloricaria sp. (2)
  Caption: Close-up of head
• 
  Species: Rineloricaria sp. (3)
  Caption: Close-up of head
• 
  Species: Rineloricaria sp. (4)
  Caption: Close-up of head
• 
  Species: Rineloricaria thrissoceps
  Caption: Close-up of head
• 
  Species: Scobinancistrus cf. pariolispos
  Caption: Close-up of head
• 
  Species: Scobinancistrus sp. (L082)
  Caption: Close-up of head
• 
  Species: Scobinancistrus sp. (L082)
  Caption: Close-up of head
• 
  Species: Scobinancistrus sp. (L082)
  Caption: Close-up of head
• 
  Species: Spatuloricaria sp. (1)
  Caption: Close-up of head
• 
  Species: Spatuloricaria sp. `RIO NANAY`
  Caption: Close-up of head
• 
  Species: Spatuloricaria sp. `RIO NANAY`
  Caption: Close-up of head
• 
  Species: Spatuloricaria sp. `RIO SAN ALEJANDRO`
  Caption: Close-up of head
• 
  Species: Spectracanthicus murinus
  Caption: Close-up of head
• 
  Species: Sturisoma barbatum
  Caption: Close-up of head
• 
  Species: Sturisoma nigrirostrum
  Caption: Close-up of head
• 
  Species: Sturisoma nigrirostrum
  Caption: Close-up of head
• 
  Species: Sturisoma nigrirostrum
  Caption: Close-up of head
• 
  Species: Sturisoma nigrirostrum
  Caption: Close-up of head
• 
  Species: Sturisomatichthys leightoni
  Caption: Close-up of head
• 
  Species: Malapterurus electricus
  Caption: Close-up of head
• 
  Species: Malapterurus electricus
  Caption: Close-up of head
• 
  Species: Chiloglanis polypogon
  Caption: Close-up of head
• 
  Species: Chiloglanis pretoriae
  Caption: Close-up of head
• 
  Species: Euchilichthys guentheri
  Caption: Close-up of head
• 
  Species: Microsynodontis polli
  Caption: Close-up of head
• 
  Species: Mochokiella paynei
  Caption: Close-up of head
• 
  Species: Mochokiella paynei
  Caption: Close-up of head
• 
  Species: Synodontis acanthomias
  Caption: Close-up of head
• 
  Species: Synodontis batesii
  Caption: Close-up of head
• 
  Species: Synodontis caudalis
  Caption: Close-up of head
• 
  Species: Synodontis clarias
  Caption: Close-up of head
• 
  Species: Synodontis clarias
  Caption: Close-up of head
• 
  Species: Synodontis decorus
  Caption: Close-up of head
• 
  Species: Synodontis eupterus
  Caption: Close-up of head
• 
  Species: Synodontis irsacae
  Caption: Close-up of head
• 
  Species: Synodontis katangae
  Caption: Close-up of head
• 
  Species: Synodontis lucipinnis
  Caption: Close-up of head
• 
  Species: Synodontis macropunctatus
  Caption: Close-up of head
• 
  Species: Synodontis ocellifer
  Caption: Close-up of head
• 
  Species: Synodontis orientalis
  Caption: Close-up of head
• 
  Species: Synodontis pardalis
  Caption: Close-up of head
• 
  Species: Synodontis petricola
  Caption: Close-up of head
• 
  Species: Synodontis robbianus
  Caption: Close-up of head
• 
  Species: Synodontis rukwaensis
  Caption: Close-up of head
• 
  Species: Synodontis schoutedeni
  Caption: Close-up of head
• 
  Species: Synodontis soloni
  Caption: Close-up of head
• 
  Species: Synodontis sorex
  Caption: Close-up of head
• 
  Species: Synodontis sp. hybrid(4)
  Caption: Close-up of head
• 
  Species: Synodontis sp. `LOWER GUINEA`
  Caption: Close-up of head
• 
  Species: Synodontis tanganyicae
  Caption: Close-up of head
• 
  Species: Synodontis vanderwaali
  Caption: Close-up of head
• 
  Species: Synodontis victoriae
  Caption: Close-up of head
• 
  Species: Synodontis xiphias
  Caption: Close-up of head
• 
  Species: Pangasianodon gigas
  Caption: Close-up of head
• 
  Species: Pangasius sanitwongsei
  Caption: Close-up of head
• 
  Species: Aguarunichthys torosus
  Caption: Close-up of head
• 
  Species: Brachyplatystoma filamentosum
  Caption: Close-up of head
• 
  Species: Calophysus macropterus
  Caption: Close-up of head
• 
  Species: Calophysus macropterus
  Caption: Close-up of head
• 
  Species: Leiarius marmoratus
  Caption: Close-up of head
• 
  Species: Leiarius pictus
  Caption: Close-up of head
• 
  Species: Luciopimelodus pati
  Caption: Close-up of head
• 
  Species: Parapimelodus sp. `MANAUS`
  Caption: Close-up of head
• 
  Species: Pimelodus ornatus
  Caption: Close-up of head
• 
  Species: Platysilurus mucosus
  Caption: Close-up of head
• 
  Species: Pseudoplatystoma fasciatum
  Caption: Close-up of head
• 
  Species: Pseudoplatystoma reticulatum
  Caption: Close-up of head
• 
  Species: Pseudoplatystoma reticulatum
  Caption: Close-up of head
• 
  Species: Neosilurus ater
  Caption: Close-up of head
• 
  Species: Neosilurus brevidorsalis
  Caption: Close-up of head
• 
  Species: Neosilurus brevidorsalis
  Caption: Close-up of head
• 
  Species: Plotosus papuensis
  Caption: Close-up of head
• 
  Species: Plotosus papuensis
  Caption: Close-up of head
• 
  Species: Lophiosilurus alexandri
  Caption: Close-up of head
• 
  Species: Pseudopimelodus mangurus
  Caption: Close-up of head
• 
  Species: Pareutropius buffei
  Caption: Close-up of head
• 
  Species: Belodontichthys dinema
  Caption: Close-up of head
• 
  Species: Ceratoglanis scleronema
  Caption: Close-up of head
• 
  Species: Kryptopterus vitreolus
  Caption: Close-up of head
• 
  Species: Ompok pabo
  Caption: Close-up of head
• 
  Species: Pterocryptis anomala
  Caption: Close-up of head
• 
  Species: Pterocryptis anomala
  Caption: Close-up of head
• 
  Species: Pterocryptis berdmorei
  Caption: Close-up of head
• 
  Species: Pterocryptis berdmorei
  Caption: Close-up of head
• 
  Species: Pterocryptis furnessi
  Caption: Close-up of head
• 
  Species: Silurus biwaensis
  Caption: Close-up of head
• 
  Species: Silurus triostegus
  Caption: Close-up of head
• 
  Species: Wallago attu
  Caption: Close-up of head
• 
  Species: Wallago attu
  Caption: Close-up of head
• 
  Species: Bagarius bagarius
  Caption: Close-up of head
• 
  Species: Creteuchiloglanis kamengensis
  Caption: Close-up of head
• 
  Species: Erethistes mesembrinus
  Caption: Close-up of head
• 
  Species: Gagata cenia
  Caption: Close-up of head
• 
  Species: Gagata gagata
  Caption: Close-up of head
• 
  Species: Glyptothorax anamalaiensis
  Caption: Close-up of head
• 
  Species: Glyptothorax chavomensis
  Caption: Close-up of head
• 
  Species: Glyptothorax decussatus
  Caption: Close-up of head
• 
  Species: Glyptothorax indicus
  Caption: Close-up of head
• 
  Species: Glyptothorax lanceatus
  Caption: Close-up of head
• 
  Species: Glyptothorax rugimentum
  Caption: Close-up of head
• 
  Species: Glyptothorax rugimentum
  Caption: Close-up of head
• 
  Species: Glyptothorax telchitta
  Caption: Close-up of head
• 
  Species: Glyptothorax zanaensis
  Caption: Close-up of head
• 
  Species: Gogangra viridescens
  Caption: Close-up of head
• 
  Species: Oreoglanis macroptera
  Caption: Close-up of head
• 
  Species: Pseudecheneis longipectoralis
  Caption: Close-up of head
• 
  Species: Pseudecheneis sp. (1)
  Caption: Close-up of head
• 
  Species: Pseudolaguvia ferula
  Caption: Close-up of head
• 
  Species: Pseudolaguvia ferula
  Caption: Close-up of head
• 
  Species: Pseudolaguvia flavida
  Caption: Close-up of head
• 
  Species: Henonemus triacanthopomus
  Caption: Close-up of head
• 
  Species: Ituglanis amazonicus
  Caption: Close-up of head
• 
  Species: Pareiodon microps
  Caption: Close-up of head
• 
  Species: Pseudostegophilus maculatus
  Caption: Close-up of head
• 
  Species: Sarcoglanis simplex
  Caption: Close-up of head
• 
  Species: Trichomycterus alternatus
  Caption: Close-up of head
• 
  Species: Trichomycterus brasiliensis
  Caption: Close-up of head
• 
  Species: Trichomycterus brasiliensis
  Caption: Close-up of head
• 
  Species: Vandellia cirrhosa
  Caption: Close-up of head
• 
  Species: Farlowella sp. (1)
  Caption: Close-up of head - female
• 
  Species: Pterygoplichthys gibbiceps
  Caption: Close-up of head (adult)
• 
  Species: Neblinichthys pilosus
  Caption: Close-up of head (dorsal)
• 
  Species: Ancistrus sp. `RIO CHIRGUA`
  Caption: Close-up of head (front)
• 
  Species: Neblinichthys pilosus
  Caption: Close-up of head (lateral)
• 
  Species: Spatuloricaria caquetae
  Caption: Close-up of head (male)
• 
  Species: Brachyplatystoma rousseauxii
  Caption: Close-up of head (nose damaged)
• 
  Species: Neblinichthys pilosus
  Caption: Close-up of head (ventral)
• 
  Species: Chauliocheilos saxatilis
  Caption: Close-up of head / male lip morphology
• 
  Species: Leiarius pictus
  Caption: Close-up of head and dorsal fin
• 
  Species: Synodontis longirostris
  Caption: Close-up of head and humeral process-250 mm SL
• 
  Species: Hypancistrus vandragti
  Caption: Close-up of head and opercular odontodes
• 
  Species: Otothyris lophophanes
  Caption: Close-up of head and suckermouth
• 
  Species: Hypancistrus sp. (L066)
  Caption: Close-up of head of female
• 
  Species: Hypancistrus sp. (L070)
  Caption: Close-up of head of female
• 
  Species: Panaqolus albivermis
  Caption: Close-up of head of female
• 
  Species: Leporacanthicus cf. galaxias(l241)
  Caption: Close-up of head of juvenile
• 
  Species: Ancistrus cf. cirrhosus
  Caption: Close-up of head of male
• 
  Species: Hemiancistrus sp. (L128)
  Caption: Close-up of head of male
• 
  Species: Hypancistrus furunculus
  Caption: Close-up of head of male
• 
  Species: Hypancistrus sp. (L066)
  Caption: Close-up of head of male
• 
  Species: Hypancistrus sp. (L070)
  Caption: Close-up of head of male
• 
  Species: Leporacanthicus cf. galaxias(l240)
  Caption: Close-up of head of male
• 
  Species: Leporacanthicus cf. galaxias`venezuela`
  Caption: Close-up of head of male
• 
  Species: Leporacanthicus galaxias
  Caption: Close-up of head of male
• 
  Species: Panaqolus albivermis
  Caption: Close-up of head of male
• 
  Species: Peckoltia sp. `RIO TOCANTINS`
  Caption: Close-up of head of male
• 
  Species: Rineloricaria sp. (7)
  Caption: Close-up of head of male
• 
  Species: Rineloricaria sp. (L010A)
  Caption: Close-up of head of male
• 
  Species: Synodontis schoutedeni
  Caption: Close-up of head of male
• 
  Species: Ancistrus cf. cirrhosus
  Caption: Close-up of head of piebald male
• 
  Species: Parakysis notialis
  Caption: Close-up of head on view
• 
  Species: Tatia reticulata
  Caption: Close-up of head on view
• 
  Species: Megalodoras uranoscopus
  Caption: Close-up of head showing ''third eye''
• 
  Species: Megalodoras uranoscopus
  Caption: Close-up of head showing ''third eye''
• 
  Species: Sturisomatichthys aureus
  Caption: Close-up of head showing cheek bristles
• 
  Species: Pseudotanganikallabes prognatha
  Caption: Close-up of head showing extended lower lip
• 
  Species: Dekeyseria scaphirhynchus
  Caption: Close-up of head showing grooves
• 
  Species: Synodontis multipunctatus
  Caption: Close-up of head showing humeral process
• 
  Species: Auchenoglanis senegali
  Caption: Close-up of head-110 mm SL
• 
  Species: Auchenoglanis cf. occidentalis
  Caption: Close-up of head-28 cm TL
• 
  Species: Sturisomatichthys panamensis
  Caption: Close-up of head-Southern Panama
• 
  Species: Astroblepus caquetae
  Caption: Close-up of head, Dorsal view
• 
  Species: Ancistrus lineolatus
  Caption: Close-up of head, Dorsal view
• 
  Species: Chaetostoma platyrhynchus
  Caption: Close-up of head, Dorsal view
• 
  Species: Chaetostoma sp. (6)
  Caption: Close-up of head, dorsal view
• 
  Species: Chaetostoma vagum
  Caption: Close-up of head, Dorsal view
• 
  Species: Hypostomus argus
  Caption: Close-up of head, Dorsal view
• 
  Species: Hypostomus niceforoi
  Caption: Close-up of head, Dorsal view
• 
  Species: Hypostomus oculeus
  Caption: Close-up of head, Dorsal view
• 
  Species: Rineloricaria felipponei
  Caption: Close-up of head, Dorsal view
• 
  Species: Rineloricaria pareiacantha
  Caption: Close-up of head, Dorsal view
• 
  Species: Hypancistrus sp. (L066)
  Caption: Close-up of head, male
• 
  Species: Astroblepus caquetae
  Caption: Close-up of head, Ventral view
• 
  Species: Hypoptopoma inexspectatum
  Caption: Close-up of head, ventral view
• 
  Species: Otocinclus mariae
  Caption: Close-up of head, ventral view
• 
  Species: Oxyropsis wrightiana
  Caption: Close-up of head; Dorsal view
• 
  Species: Rineloricaria stewarti
  Caption: Close-up of head; Dorsal view
• 
  Species: Hypostomus cf. paulinus
  Caption: Close-up of head. Dorsal view
• 
  Species: Spectracanthicus javae
  Caption: Close-up of holes & cracks where species inhabits
• 
  Species: Synodontis ocellifer
  Caption: Close-up of humeral
• 
  Species: Hassar wilderi
  Caption: Close-up of humeral process
• 
  Species: Synodontis acanthomias
  Caption: Close-up of humeral process
• 
  Species: Synodontis acanthomias
  Caption: Close-up of humeral process
• 
  Species: Synodontis angelicus
  Caption: Close-up of humeral process
• 
  Species: Synodontis batensoda
  Caption: Close-up of humeral process
• 
  Species: Synodontis irsacae
  Caption: Close-up of humeral process
• 
  Species: Synodontis schall
  Caption: Close-up of humeral process
• 
  Species: Synodontis sp. `JA RIVER`
  Caption: Close-up of humeral process
• 
  Species: Synodontis tanganyicae
  Caption: Close-up of humeral process
• 
  Species: Synodontis velifer
  Caption: Close-up of humeral process
• 
  Species: Parancistrus aurantiacus
  Caption: Close-up of interopercular and pectoral odontodes
• 
  Species: Ancistrus ranunculus
  Caption: Close-up of interopercular spines
• 
  Species: Panaque cf. cochliodon`upper magdalena`
  Caption: Close-up of interopercular spines
• 
  Species: Panaque cf. cochliodon`upper magdalena`
  Caption: Close-up of interopercular spines
• 
  Species: Panaque nigrolineatus
  Caption: Close-up of interopercular spines
• 
  Species: Panaque titan
  Caption: Close-up of interopercular spines
• 
  Species: Parancistrus nudiventris
  Caption: Close-up of joined dorsal and adipose fins
• 
  Species: Peckoltia sp. (L076)
  Caption: Close-up of juvenile head
• 
  Species: Otocinclus vittatus
  Caption: Close-up of lateral pores
• 
  Species: Centrodoras brachiatus
  Caption: Close-up of lateral scutes
• 
  Species: Megalodoras uranoscopus
  Caption: Close-up of lateral scutes
• 
  Species: Panaque cf. cochliodon`upper magdalena`
  Caption: Close-up of lower jaw
• 
  Species: Auchenipterichthys coracoideus
  Caption: Close-up of male
• 
  Species: Bagrus meridionalis
  Caption: Close-up of Male
• 
  Species: Scleromystax macropterus
  Caption: Close-up of male
• 
  Species: Ancistrus cf. cirrhosus
  Caption: Close-up of male
• 
  Species: Ancistrus cf. cirrhosus
  Caption: Close-up of male
• 
  Species: Hisonotus aky
  Caption: Close-up of male
• 
  Species: Hypancistrus inspector
  Caption: Close-up of male
• 
  Species: Hypancistrus zebra
  Caption: Close-up of male
• 
  Species: Panaque cf. cochliodon`upper magdalena`
  Caption: Close-up of male
• 
  Species: Rineloricaria melini
  Caption: Close-up of male
• 
  Species: Duringlanis perugiae
  Caption: Close-up of male anal fin
• 
  Species: Hypancistrus sp. (L501)
  Caption: Close-up of male and eggs in spawning cave
• 
  Species: Entomocorus gameroi
  Caption: Close-up of male genital area
• 
  Species: Clarias batrachus
  Caption: Close-up of male genital area
• 
  Species: Chrysichthys brachynema
  Caption: Close-up of male genital area
• 
  Species: Megalodoras uranoscopus
  Caption: Close-up of male genital area
• 
  Species: Goeldiella eques
  Caption: Close-up of male genital area
• 
  Species: Sturisomatichthys aureus
  Caption: Close-up of male genital area
• 
  Species: Leiarius pictus
  Caption: Close-up of male genital area
• 
  Species: Synodontis pardalis
  Caption: Close-up of male genital papillae
• 
  Species: Sturisomatichthys festivus
  Caption: Close-up of male guarding eggs
• 
  Species: Sturisomatichthys reinae
  Caption: Close-up of male guarding eggs
• 
  Species: Entomocorus gameroi
  Caption: Close-up of male head
• 
  Species: Rineloricaria fallax
  Caption: Close-up of male head
• 
  Species: Rineloricaria latirostris
  Caption: Close-up of male orange colour morph
• 
  Species: Farlowella vittata
  Caption: Close-up of male rostrum showing odontodes
• 
  Species: Pseudancistrus sp. (L259)
  Caption: Close-up of male showing cheek bristles
• 
  Species: Rineloricaria lanceolata
  Caption: Close-up of male showing cheek bristles
• 
  Species: Peckoltia sp. `RIO TOCANTINS`
  Caption: Close-up of male showing posterior odontodes
• 
  Species: Ancistrus sp. `RIO CHIRGUA`
  Caption: Close-up of male showing unbranched head tentacles
• 
  Species: Hypancistrus sp. (L316)
  Caption: Close-up of male's cheek
• 
  Species: Hypancistrus furunculus
  Caption: Close-up of male's genital papillae
• 
  Species: Panaqolus albivermis
  Caption: Close-up of male's genital papillae
• 
  Species: Liobagrus marginatus
  Caption: Close-up of male's head
• 
  Species: Ancistrus sp. (LDA072)
  Caption: Close-up of male's head
• 
  Species: Leporacanthicus cf. galaxias(l241)
  Caption: Close-up of male's head
• 
  Species: Pareiorhaphis bahiana
  Caption: Close-up of male's head
• 
  Species: Panaqolus albivermis
  Caption: Close-up of male's odontodes
• 
  Species: Hypancistrus sp. (L174)
  Caption: Close-up of male's pectoral fin
• 
  Species: Baryancistrus sp. (L142)
  Caption: Close-up of males pectoral fin ray
• 
  Species: Loricariichthys platymetopon
  Caption: Close-up of modified lower lip used in egg clutch carrying
• 
  Species: Astroblepus mancoi
  Caption: Close-up of mouth
• 
  Species: Ageneiosus inermis
  Caption: Close-up of mouth
• 
  Species: Tatia jaracatia
  Caption: Close-up of mouth
• 
  Species: Bagrichthys macracanthus
  Caption: Close-up of mouth
• 
  Species: Cetopsis coecutiens
  Caption: Close-up of mouth
• 
  Species: Cetopsis coecutiens
  Caption: Close-up of mouth
• 
  Species: Chaca bankanensis
  Caption: Close-up of mouth
• 
  Species: Gymnallabes typus
  Caption: Close-up of mouth
• 
  Species: Phyllonemus typus
  Caption: Close-up of mouth
• 
  Species: Rhinodoras gallagheri
  Caption: Close-up of mouth
• 
  Species: Tenellus trimaculatus
  Caption: Close-up of mouth
• 
  Species: Noturus gyrinus
  Caption: Close-up of mouth
• 
  Species: Acanthicus adonis
  Caption: Close-up of mouth
• 
  Species: Acanthicus hystrix
  Caption: Close-up of mouth
• 
  Species: Ancistomus sp. (L147)
  Caption: Close-up of mouth
• 
  Species: Ancistomus sp. (L487)
  Caption: Close-up of mouth
• 
  Species: Ancistrus cf. cirrhosus
  Caption: Close-up of mouth
• 
  Species: Ancistrus cirrhosus
  Caption: Close-up of mouth
• 
  Species: Ancistrus dolichopterus
  Caption: Close-up of mouth
• 
  Species: Ancistrus hoplogenys
  Caption: Close-up of mouth
• 
  Species: Ancistrus sp. (2)
  Caption: Close-up of mouth
• 
  Species: Ancistrus sp. (L071)
  Caption: Close-up of mouth
• 
  Species: Ancistrus sp. (L088)
  Caption: Close-up of mouth
• 
  Species: Ancistrus sp. (L480)
  Caption: Close-up of mouth
• 
  Species: Ancistrus sp. (L481)
  Caption: Close-up of mouth
• 
  Species: Ancistrus sp. `LOWER RIO NEGRO`
  Caption: Close-up of mouth
• 
  Species: Avalithoxus jantjae
  Caption: Close-up of mouth
• 
  Species: Baryancistrus chrysolomus
  Caption: Close-up of mouth
• 
  Species: Baryancistrus sp. (L019)
  Caption: Close-up of mouth
• 
  Species: Baryancistrus xanthellus
  Caption: Close-up of mouth
• 
  Species: Chaetostoma sp. (5)
  Caption: Close-up of mouth
• 
  Species: Chaetostoma sp. (L455)
  Caption: Close-up of mouth
• 
  Species: Crossoloricaria sp. `RIO PALOMETILLA`
  Caption: Close-up of mouth
• 
  Species: Dekeyseria amazonica
  Caption: Close-up of mouth
• 
  Species: Delturus sp. (1)
  Caption: Close-up of mouth
• 
  Species: Guyanancistrus sp. (L490)
  Caption: Close-up of mouth
• 
  Species: Hemiancistrus subviridis
  Caption: Close-up of mouth
• 
  Species: Hemiancistrus subviridis
  Caption: Close-up of mouth
• 
  Species: Hemiodontichthys acipenserinus
  Caption: Close-up of mouth
• 
  Species: Hisonotus leucofrenatus
  Caption: Close-up of mouth
• 
  Species: Hypancistrus sp. (L201)
  Caption: Close-up of mouth
• 
  Species: Hypancistrus sp. (L262)
  Caption: Close-up of mouth
• 
  Species: Hypancistrus sp. (L297)
  Caption: Close-up of mouth
• 
  Species: Hypancistrus sp. (L340)
  Caption: Close-up of mouth
• 
  Species: Hypancistrus sp. (L450)
  Caption: Close-up of mouth
• 
  Species: Hypancistrus sp. (L489)
  Caption: Close-up of mouth
• 
  Species: Hypancistrus sp. (L501)
  Caption: Close-up of mouth
• 
  Species: Hypancistrus vandragti
  Caption: Close-up of mouth
• 
  Species: Hypancistrus vandragti
  Caption: Close-up of mouth
• 
  Species: Hypoptopoma inexspectatum
  Caption: Close-up of mouth
• 
  Species: Hypoptopoma sp. (2)
  Caption: Close-up of mouth
• 
  Species: Hypostomus ancistroides
  Caption: Close-up of mouth
• 
  Species: Hypostomus cf. cochliodon
  Caption: Close-up of mouth
• 
  Species: Hypostomus commersoni
  Caption: Close-up of mouth
• 
  Species: Hypostomus faveolus
  Caption: Close-up of mouth
• 
  Species: Hypostomus hermanni
  Caption: Close-up of mouth
• 
  Species: Hypostomus latifrons
  Caption: Close-up of mouth
• 
  Species: Hypostomus luteus
  Caption: Close-up of mouth
• 
  Species: Hypostomus mutucae
  Caption: Close-up of mouth
• 
  Species: Hypostomus plecostomus
  Caption: Close-up of mouth
• 
  Species: Hypostomus roseopunctatus
  Caption: Close-up of mouth
• 
  Species: Hypostomus soniae
  Caption: Close-up of mouth
• 
  Species: Hypostomus sp. (L360)
  Caption: Close-up of mouth
• 
  Species: Hypostomus sp. (L517)
  Caption: Close-up of mouth
• 
  Species: Hypostomus weberi
  Caption: Close-up of mouth
• 
  Species: Isorineloricaria villarsi
  Caption: Close-up of mouth
• 
  Species: Lasiancistrus cf. caucanus
  Caption: Close-up of mouth
• 
  Species: Lasiancistrus heteracanthus
  Caption: Close-up of mouth
• 
  Species: Lasiancistrus sp. (L479)
  Caption: Close-up of mouth
• 
  Species: Leporacanthicus galaxias
  Caption: Close-up of mouth
• 
  Species: Leporacanthicus heterodon
  Caption: Close-up of mouth
• 
  Species: Leporacanthicus sp. (L473)
  Caption: Close-up of mouth
• 
  Species: Leporacanthicus triactis
  Caption: Close-up of mouth
• 
  Species: Limatulichthys griseus
  Caption: Close-up of mouth
• 
  Species: Loricaria luciae
  Caption: Close-up of mouth
• 
  Species: Loricariichthys anus
  Caption: Close-up of mouth
• 
  Species: Loricariichthys anus
  Caption: Close-up of mouth
• 
  Species: Loricariichthys anus
  Caption: Close-up of mouth
• 
  Species: Megalancistrus sp. (LDA097)
  Caption: Close-up of mouth
• 
  Species: Otocinclus cocama
  Caption: Close-up of mouth
• 
  Species: Panaqolus cf. nocturnus
  Caption: Close-up of mouth
• 
  Species: Panaqolus maccus
  Caption: Close-up of mouth
• 
  Species: Panaqolus sp. (1)
  Caption: Close-up of mouth
• 
  Species: Panaqolus sp. (L206)
  Caption: Close-up of mouth
• 
  Species: Panaqolus sp. (L403)
  Caption: Close-up of mouth
• 
  Species: Panaqolus sp. (L458)
  Caption: Close-up of mouth
• 
  Species: Panaqolus sp. (L459)
  Caption: Close-up of mouth
• 
  Species: Panaqolus sp. (L460)
  Caption: Close-up of mouth
• 
  Species: Panaqolus sp. (L465)
  Caption: Close-up of mouth
• 
  Species: Panaqolus sp. (L466)
  Caption: Close-up of mouth
• 
  Species: Panaqolus sp. (L467)
  Caption: Close-up of mouth
• 
  Species: Panaqolus sp. (L468)
  Caption: Close-up of mouth
• 
  Species: Panaqolus sp. (L469)
  Caption: Close-up of mouth
• 
  Species: Panaqolus sp. (L482)
  Caption: Close-up of mouth
• 
  Species: Panaqolus sp. (L484)
  Caption: Close-up of mouth
• 
  Species: Panaque bathyphilus
  Caption: Close-up of mouth
• 
  Species: Panaque cf. armbrusteri`xingu`
  Caption: Close-up of mouth
• 
  Species: Panaque cf. cochliodon`upper magdalena`
  Caption: Close-up of mouth
• 
  Species: Panaque cf. cochliodon`upper magdalena`
  Caption: Close-up of mouth
• 
  Species: Panaque cf. cochliodon`upper magdalena`
  Caption: Close-up of mouth
• 
  Species: Panaque cf. nigrolineatus`aripuana`
  Caption: Close-up of mouth
• 
  Species: Panaque nigrolineatus
  Caption: Close-up of mouth
• 
  Species: Panaque nigrolineatus
  Caption: Close-up of mouth
• 
  Species: Panaque nigrolineatus laurafabianae
  Caption: Close-up of mouth
• 
  Species: Panaque sp. (L191)
  Caption: Close-up of mouth
• 
  Species: Panaque titan
  Caption: Close-up of mouth
• 
  Species: Paralithoxus cf. raso
  Caption: Close-up of mouth
• 
  Species: Parancistrus aurantiacus
  Caption: Close-up of mouth
• 
  Species: Parancistrus aurantiacus
  Caption: Close-up of mouth
• 
  Species: Peckoltia braueri
  Caption: Close-up of mouth
• 
  Species: Peckoltia furcata
  Caption: Close-up of mouth
• 
  Species: Peckoltia lineola
  Caption: Close-up of mouth
• 
  Species: Peckoltia multispinis
  Caption: Close-up of mouth
• 
  Species: Peckoltia sp. (L211)
  Caption: Close-up of mouth
• 
  Species: Peckoltia sp. (L387)
  Caption: Close-up of mouth
• 
  Species: Peckoltia vittata
  Caption: Close-up of mouth
• 
  Species: Pogonopoma obscurum
  Caption: Close-up of mouth
• 
  Species: Pogonopoma wertheimeri
  Caption: Close-up of mouth
• 
  Species: Pseudacanthicus cf. spinosus
  Caption: Close-up of mouth
• 
  Species: Pseudacanthicus pirarara
  Caption: Close-up of mouth
• 
  Species: Pseudacanthicus pitanga
  Caption: Close-up of mouth
• 
  Species: Pseudacanthicus pitanga
  Caption: Close-up of mouth
• 
  Species: Pseudacanthicus serratus
  Caption: Close-up of mouth
• 
  Species: Pseudacanthicus sp. (L097)
  Caption: Close-up of mouth
• 
  Species: Pseudacanthicus sp. (L452)
  Caption: Close-up of mouth
• 
  Species: Pseudacanthicus sp. (L452)
  Caption: Close-up of mouth
• 
  Species: Pseudancistrus pectegenitor
  Caption: Close-up of mouth
• 
  Species: Pseudancistrus sp. (L491)
  Caption: Close-up of mouth
• 
  Species: Pseudohemiodon laticeps
  Caption: Close-up of mouth
• 
  Species: Pseudohemiodon sp. `PERU I`
  Caption: Close-up of mouth
• 
  Species: Pseudolithoxus anthrax
  Caption: Close-up of mouth
• 
  Species: Pseudolithoxus dumus
  Caption: Close-up of mouth
• 
  Species: Pseudolithoxus nicoi
  Caption: Close-up of mouth
• 
  Species: Pseudolithoxus sp. (1)
  Caption: Close-up of mouth
• 
  Species: Pseudorinelepis genibarbis
  Caption: Close-up of mouth
• 
  Species: Pterygoplichthys disjunctivus
  Caption: Close-up of mouth
• 
  Species: Pterygoplichthys gibbiceps
  Caption: Close-up of mouth
• 
  Species: Pterygoplichthys joselimaianus
  Caption: Close-up of mouth
• 
  Species: Pterygoplichthys pardalis
  Caption: Close-up of mouth
• 
  Species: Pterygoplichthys scrophus
  Caption: Close-up of mouth
• 
  Species: Rhadinoloricaria rhami
  Caption: Close-up of mouth
• 
  Species: Rhinelepis strigosa
  Caption: Close-up of mouth
• 
  Species: Rineloricaria formosa
  Caption: Close-up of mouth
• 
  Species: Rineloricaria parva
  Caption: Close-up of mouth
• 
  Species: Rineloricaria sp. `ARGENTINA`
  Caption: Close-up of mouth
• 
  Species: Scobinancistrus aureatus
  Caption: Close-up of mouth
• 
  Species: Scobinancistrus cf. pariolispos
  Caption: Close-up of mouth
• 
  Species: Scobinancistrus sp. (L082)
  Caption: Close-up of mouth
• 
  Species: Scobinancistrus sp. (L253)
  Caption: Close-up of mouth
• 
  Species: Scobinancistrus sp. (L362)
  Caption: Close-up of mouth
• 
  Species: Scobinancistrus sp. (L368)
  Caption: Close-up of mouth
• 
  Species: Spatuloricaria sp. `RIO APURE`
  Caption: Close-up of mouth
• 
  Species: Spatuloricaria sp. `RIO GUAMA`
  Caption: Close-up of mouth
• 
  Species: Spatuloricaria terracanticum
  Caption: Close-up of mouth
• 
  Species: Spectracanthicus murinus
  Caption: Close-up of mouth
• 
  Species: Spectracanthicus sp. (L391)
  Caption: Close-up of mouth
• 
  Species: Spectracanthicus zuanoni
  Caption: Close-up of mouth
• 
  Species: Sturisoma barbatum
  Caption: Close-up of mouth
• 
  Species: Sturisoma robustum
  Caption: Close-up of mouth
• 
  Species: Sturisomatichthys festivus
  Caption: Close-up of mouth
• 
  Species: Sturisomatichthys sp. `RIO ATABAPO`
  Caption: Close-up of mouth
• 
  Species: Atopochilus mandevillei
  Caption: Close-up of mouth
• 
  Species: Atopodontus adriaensi
  Caption: Close-up of mouth
• 
  Species: Chiloglanis anoterus
  Caption: Close-up of mouth
• 
  Species: Chiloglanis congicus
  Caption: Close-up of mouth
• 
  Species: Chiloglanis congicus
  Caption: Close-up of mouth
• 
  Species: Chiloglanis polypogon
  Caption: Close-up of mouth
• 
  Species: Chiloglanis pretoriae
  Caption: Close-up of mouth
• 
  Species: Chiloglanis sp. `PUNGWE RIVER`
  Caption: Close-up of mouth
• 
  Species: Euchilichthys cf. astatodon
  Caption: Close-up of mouth
• 
  Species: Synodontis acanthomias
  Caption: Close-up of mouth
• 
  Species: Synodontis acanthomias
  Caption: Close-up of mouth
• 
  Species: Synodontis brichardi
  Caption: Close-up of mouth
• 
  Species: Synodontis caudalis
  Caption: Close-up of mouth
• 
  Species: Synodontis macrostigma
  Caption: Close-up of mouth
• 
  Species: Synodontis macrostoma
  Caption: Close-up of mouth
• 
  Species: Synodontis ocellifer
  Caption: Close-up of mouth
• 
  Species: Synodontis pleurops
  Caption: Close-up of mouth
• 
  Species: Synodontis polli
  Caption: Close-up of mouth
• 
  Species: Synodontis schall
  Caption: Close-up of mouth
• 
  Species: Synodontis smiti
  Caption: Close-up of mouth
• 
  Species: Synodontis soloni
  Caption: Close-up of mouth
• 
  Species: Synodontis sp. `POLLI WHITE`
  Caption: Close-up of mouth
• 
  Species: Synodontis zambezensis
  Caption: Close-up of mouth
• 
  Species: Calophysus macropterus
  Caption: Close-up of mouth
• 
  Species: Pimelodus argenteus
  Caption: Close-up of mouth
• 
  Species: Platystomatichthys sturio
  Caption: Close-up of mouth
• 
  Species: Platystomatichthys sturio
  Caption: Close-up of mouth
• 
  Species: Pterocryptis berdmorei
  Caption: Close-up of mouth
• 
  Species: Exostoma tenuicaudatum
  Caption: Close-up of mouth
• 
  Species: Pseudostegophilus nemurus
  Caption: Close-up of mouth
• 
  Species: Panaqolus sp. `ACRE`
  Caption: Close-up of mouth - Rio Amonia near the Brazilian town of Marechal Taumaturgo
• 
  Species: Pterygoplichthys gibbiceps
  Caption: Close-up of mouth (albino)
• 
  Species: Hypancistrus sp. (L004)
  Caption: Close-up of mouth (L028)
• 
  Species: Hypancistrus sp. (L316)
  Caption: Close-up of mouth (male)
• 
  Species: Peckoltia sp. (L080)
  Caption: Close-up of mouth (male)
• 
  Species: Synodontis vanderwaali
  Caption: Close-up of mouth & barbels
• 
  Species: Hoplosternum littorale
  Caption: Close-up of mouth and barbels
• 
  Species: Ancistrus cf. cirrhosus
  Caption: Close-up of mouth of male
• 
  Species: Pseudacanthicus sp. (L273)
  Caption: Close-up of mouth showing teeth
• 
  Species: Synodontis irsacae
  Caption: Close-up of mouth showing teeth
• 
  Species: Oreoglanis omkoiensis
  Caption: Close-up of mouth, showing notched lower lip
• 
  Species: Hypostomus hemiurus
  Caption: Close-up of mouth. Photo: Andrew Snyder
• 
  Species: Acanthicus hystrix
  Caption: Close-up of mouth. Rio Tocantins, near town of Estreito, Maranhão state, Brazil
• 
  Species: Peckoltia sabaji
  Caption: Close-up of odontodes
• 
  Species: Acanthicus hystrix
  Caption: Close-up of odontodes. Rio Tocantins, near town of Estreito, Maranhão state, Brazil
• 
  Species: Bagrus meridionalis
  Caption: Close-up of offspring
• 
  Species: Scobinancistrus aureatus
  Caption: Close-up of opercular odontodes
• 
  Species: Acanthicus hystrix
  Caption: Close-up of opercular odontodes. Rio Tocantins, near town of Estreito, Maranhão state, Brazil
• 
  Species: Rineloricaria parva
  Caption: Close-up of pair guarding eggs
• 
  Species: Spinipterus moijiri
  Caption: Close-up of pectoral fin
• 
  Species: Ancistrus caucanus
  Caption: Close-up of pectoral fin
• 
  Species: Chaetostoma anale
  Caption: Close-up of pectoral fin
• 
  Species: Chaetostoma platyrhynchus
  Caption: Close-up of pectoral fin
• 
  Species: Chaetostoma vagum
  Caption: Close-up of pectoral fin
• 
  Species: Hypostomus argus
  Caption: Close-up of pectoral fin
• 
  Species: Hypostomus niceforoi
  Caption: Close-up of pectoral fin
• 
  Species: Hypostomus oculeus
  Caption: Close-up of pectoral fin
• 
  Species: Synodontis grandiops
  Caption: Close-up of pectoral fin
• 
  Species: Synodontis waterloti
  Caption: Close-up of pectoral fin
• 
  Species: Panaque schaeferi
  Caption: Close-up of pectoral fin area
• 
  Species: Callichthys callichthys
  Caption: Close-up of pectoral fin ray
• 
  Species: Acanthicus hystrix
  Caption: Close-up of Pectoral fin. Rio Tocantins, near town of Estreito, Maranhão state, Brazil
• 
  Species: Hypostomus pyrineusi
  Caption: Close-up of pectoral odontodes
• 
  Species: Pseudacanthicus pirarara
  Caption: Close-up of pectoral odontodes
• 
  Species: Phractocephalus hemioliopterus
  Caption: Close-up of platinum colour form
• 
  Species: Pangasius nasutus
  Caption: Close-up of porus pectoralis
• 
  Species: Acestridium scutatum
  Caption: Close-up of rostrum
• 
  Species: Platystacus cotylephorus
  Caption: Close-up of rows of tubercules on tail
• 
  Species: Bunocephalus verrucosus
  Caption: Close-up of shedding skin
• 
  Species: Amaralia hypsiura
  Caption: Close-up of skin shedding
• 
  Species: Pangasianodon gigas
  Caption: Close-up of skull
• 
  Species: Hypoptopoma inexspectatum
  Caption: Close-up of snout-key identification feature
• 
  Species: Megalechis picta
  Caption: Close-up of spawning bubble nest
• 
  Species: Pimelodus pictus
  Caption: Close-up of spine
• 
  Species: Synodontis ocellifer
  Caption: Close-up of spots on mature fish
• 
  Species: Astroblepus sp. (1)
  Caption: Close-up of suckermouth
• 
  Species: Acanthicus adonis
  Caption: Close-up of suckermouth
• 
  Species: Chaetostoma sp. (L402)
  Caption: Close-up of suckermouth
• 
  Species: Lithoxancistrus orinoco
  Caption: Close-up of suckermouth
• 
  Species: Megalancistrus parananus
  Caption: Close-up of suckermouth
• 
  Species: Panaque schaeferi
  Caption: Close-up of suckermouth
• 
  Species: Pseudancistrus sidereus
  Caption: Close-up of suckermouth
• 
  Species: Euchilichthys guentheri
  Caption: Close-up of suckermouth
• 
  Species: Parotocinclus sp. (3)
  Caption: Close-up of suckermouth (5cm TL)
• 
  Species: Channallabes apus
  Caption: Close-up of tail
• 
  Species: Clarias alluaudi
  Caption: Close-up of tail
• 
  Species: Gymnallabes typus
  Caption: Close-up of tail
• 
  Species: Anadoras grypus
  Caption: Close-up of tail
• 
  Species: Anadoras weddellii
  Caption: Close-up of tail
• 
  Species: Hassar wilderi
  Caption: Close-up of tail
• 
  Species: Corumbataia tocantinensis
  Caption: Close-up of tail
• 
  Species: Farlowella altocorpus
  Caption: Close-up of tail
• 
  Species: Farlowella azpelicuetae
  Caption: Close-up of tail
• 
  Species: Farlowella nattereri
  Caption: Close-up of tail
• 
  Species: Hisonotus chromodontus
  Caption: Close-up of tail
• 
  Species: Oxyropsis wrightiana
  Caption: Close-up of tail
• 
  Species: Rineloricaria eigenmanni
  Caption: Close-up of tail
• 
  Species: Rineloricaria sp. (5)
  Caption: Close-up of tail
• 
  Species: Rineloricaria stewarti
  Caption: Close-up of tail
• 
  Species: Plotosus papuensis
  Caption: Close-up of tail
• 
  Species: Glyptothorax decussatus
  Caption: Close-up of tail
• 
  Species: Pseudostegophilus nemurus
  Caption: Close-up of tail
• 
  Species: Cetopsis coecutiens
  Caption: Close-up of teeth
• 
  Species: Leporacanthicus joselimai
  Caption: Close-up of teeth
• 
  Species: Leporacanthicus sp. (L473)
  Caption: Close-up of teeth
• 
  Species: Panaqolus albivermis
  Caption: Close-up of teeth
• 
  Species: Pseudacanthicus spinosus
  Caption: Close-up of teeth
• 
  Species: Scobinancistrus aureatus
  Caption: Close-up of teeth
• 
  Species: Sorubim lima
  Caption: Close-up of teeth
• 
  Species: Belodontichthys dinema
  Caption: Close-up of teeth
• 
  Species: Wallago attu
  Caption: Close-up of teeth
• 
  Species: Hypostomus hemiurus
  Caption: Close-up of teeth. Photo: Andrew Snyder
• 
  Species: Hemibagrus variegatus
  Caption: Close-up of the colour pattern
• 
  Species: Amphilius platychir
  Caption: Close-up of unculi on the ventral surface of the pectoral spine
• 
  Species: Amphilius uranoscopus
  Caption: Close-up of unculi on the ventral surface of the pectoral spine
• 
  Species: Hypoptopoma thoracatum
  Caption: Close-up of underside
• 
  Species: Hypostomus plecostomoides
  Caption: Close-up of underside of head
• 
  Species: Pterygoplichthys gibbiceps
  Caption: Close-up of underside of head
• 
  Species: Sturisomatichthys aureus
  Caption: Close-up of underside of head showing same.
• 
  Species: Oreoglanis macroptera
  Caption: Close-up of underside of mouth
• 
  Species: Acanthicus adonis
  Caption: Close-up of upper body
• 
  Species: Lamontichthys llanero
  Caption: Close-up of upper body
• 
  Species: Otocinclus flexilis
  Caption: Close-up of upper body
• 
  Species: Microglanis berbixae
  Caption: Close-up of urogenital papillae. A. Female, B. Male.
• 
  Species: Batrochoglanis transmontanus
  Caption: Close-up of venomous pectoral fin spine
• 
  Species: Platystacus cotylephorus
  Caption: Close-up of ventral view
• 
  Species: Lamontichthys llanero
  Caption: Close-up of ventral view
• 
  Species: Loricariichthys anus
  Caption: Close-up of ventral view
• 
  Species: Rineloricaria sp. (3)
  Caption: Close-up of ventral view
• 
  Species: Rineloricaria sp. (4)
  Caption: Close-up of ventral view
• 
  Species: Rineloricaria teffeana
  Caption: Close-up of ventral view
• 
  Species: Glyptothorax scrobiculus
  Caption: Close-up of ventral view
• 
  Species: Acestridium dichromum
  Caption: Close-up of ventral view of head
• 
  Species: Aposturisoma myriodon
  Caption: Close-up of ventral view of head
• 
  Species: Metaloricaria paucidens
  Caption: Close-up of ventral view of head
• 
  Species: Synodontis polli
  Caption: Close-up of ventral view of head
• 
  Species: Chauliocheilos saxatilis
  Caption: Close-up of ventral view of male's head
• 
  Species: Farlowella mariaelenae
  Caption: Close-up showing 3 columns of ventral plates
• 
  Species: Synodontis membranaceus
  Caption: Close-up showing barbel detail
• 
  Species: Synodontis membranaceus
  Caption: Close-up showing barbel detail
• 
  Species: Ancistrus sp. (4)
  Caption: Close-up showing black eye
• 
  Species: Megalancistrus sp. (L234)
  Caption: Close-up showing everted cheek spines
• 
  Species: Leporacanthicus cf. galaxias(l240)
  Caption: Close-up showing fimbrations on suckermouth
• 
  Species: Synodontis granulosus
  Caption: Close-up showing granulose head patterning
• 
  Species: Pseudomystus siamensis
  Caption: Close-up showing sexual dimorphism (male below)
• 
  Species: Synodontis decorus
  Caption: Close-up showing short branches on Maxillary barbels
• 
  Species: Synodontis resupinatus
  Caption: Close-up showing short branches on Maxillary barbels
• 
  Species: Pseudecheneis sulcata
  Caption: Close-up ventral fins
• 
  Species: Ageneiosus uranophthalmus
  Caption: Close-up ventral view
• 
  Species: Loricaria birindellii
  Caption: Close-up ventral view
• 
  Species: Pseudorinelepis sp. (L095)
  Caption: Close-up ventral view
• 
  Species: Pseudecheneis sulcata
  Caption: Close-up ventral view
• 
  Species: Pseudolaguvia virgulata
  Caption: Close-up ventral view
• 
  Species: Rineloricaria melini
  Caption: Close-up ventral view of fry
• 
  Species: Otocinclus vittatus
  Caption: Close-up ventral view of mouth and chest
• 
  Species: Pseudacanthicus serratus
  Caption: Closeup of head
• 
  Species: Pachypterus atherinoides
  Caption: Closeup of snout in adult
• 
  Species: Glyptothorax cavia
  Caption: Closeup of the thoracic adhesive apparatus.
• 
  Species: Glyptothorax cf. pectinopterus
  Caption: Closeup of thoracic adhesive apparatus.
• 
  Species: Glyptothorax cf. pectinopterus
  Caption: Closeup of thoracic adhesive apparatus.
• 
  Species: Pseudecheneis eddsi
  Caption: Closeup of thoracic adhesive apparatus.
• 
  Species: Ancistrus claro
  Caption: Clutch of eggs
• 
  Species: Ancistrus triradiatus
  Caption: Clutch of eggs
• 
  Species: Loricariichthys brunneus
  Caption: Clutch of eggs
• 
  Species: Microglanis cottoides
  Caption: Coastal river drainages, Santa Catarina state
• 
  Species: Rhamdia humilis
  Caption: Collected 10.202547, -67.390974
• 
  Species: Ancistrus sp. `CUCUTA`
  Caption: Collected as A. bodenhameri
• 
  Species: Ancistrus sp. `CUCUTA`
  Caption: Collected as A. bodenhameri
• 
  Species: Ancistrus sp. `CUCUTA`
  Caption: Collected as A. bodenhameri
• 
  Species: Ancistrus sp. `CUCUTA`
  Caption: Collected as A. bodenhameri
• 
  Species: Ancistrus sp. `CUCUTA`
  Caption: Collected as A. bodenhameri
• 
  Species: Ancistrus sp. `CUCUTA`
  Caption: Collected as A. bodenhameri
• 
  Species: Ancistrus sp. `CUCUTA`
  Caption: Collected as A. bodenhameri
• 
  Species: Ancistrus sp. `CUCUTA`
  Caption: Collected as A. bodenhameri
• 
  Species: Pseudacanthicus pirarara
  Caption: Collected at mouth of Rio Iriri
• 
  Species: Gogo ornatus
  Caption: Collected at Sandranamby
• 
  Species: Corydoras(ln9) punctatus
  Caption: Collected from Iracoubo River basin, French Guiana
• 
  Species: Batasio convexirostrum
  Caption: Collected From Khawchhak Tuipui ,Kolodyne Basin, Mizoram
• 
  Species: Corumbataia cuestae
  Caption: Collected from Rio Jaú, Brazil
• 
  Species: Ageneiosus ucayalensis
  Caption: Collected from River Approuague, Fr. Guiana
• 
  Species: Amblyceps cerinum
  Caption: Collected from Rydak I at Shipra.
• 
  Species: Amblyceps laticeps
  Caption: Collected from Rydak I at Shipra.
• 
  Species: Amblyceps mangois
  Caption: Collected from Rydak I.
• 
  Species: Amblyceps mangois
  Caption: Collected from Rydak II.
• 
  Species: Kryptopterus minor
  Caption: Collected from the Kapuas River drainage
• 
  Species: Glyptothorax cavia
  Caption: Collected from the Kosi River, Nepal
• 
  Species: Glyptothorax cavia
  Caption: Collected from the Kosi River, Nepal
• 
  Species: Glyptothorax cavia
  Caption: Collected from the Kosi River, Nepal
• 
  Species: Glyptothorax cavia
  Caption: Collected from the Kosi River, Nepal
• 
  Species: Ompok bimaculatus
  Caption: Collected from the Tambraparani River, Tamil Nadu, India
• 
  Species: Ompok bimaculatus
  Caption: Collected from the Tambraparani River, Tamil Nadu, India
• 
  Species: Ompok bimaculatus
  Caption: Collected from the Tambraparani River, Tamil Nadu, India
• 
  Species: Pimelodella gracilis
  Caption: Collected in Arroyo Tropa Vieja, Salinas, Uruguay
• 
  Species: Hypostomus gymnorhynchus
  Caption: Collected in Crique margot, French Guiana
• 
  Species: Schilbe multitaeniatus
  Caption: Collected in Gabon
• 
  Species: Malapterurus oguensis
  Caption: Collected in Gabon, "Site 5"
• 
  Species: Synodontis batesii
  Caption: Collected in Gabon, "Site 5"
• 
  Species: Synodontis batesii
  Caption: Collected in Gabon, "Site 6"
• 
  Species: Chrysichthys nigrodigitatus
  Caption: Collected in Gambia
• 
  Species: Heptapterus sp. (2)
  Caption: Collected in Guarico State, Venezuela
• 
  Species: Bunocephalus verrucosus
  Caption: Collected in Guyana
• 
  Species: Pterocryptis wynaadensis
  Caption: Collected in Hiranyakeshi river at Chandewadi
• 
  Species: Ompok malabaricus
  Caption: Collected in Kerala,India
• 
  Species: Ompok malabaricus
  Caption: Collected in Kerala,India
• 
  Species: Silurichthys indragiriensis
  Caption: Collected in N. Selangor peat swamp forest stream
• 
  Species: Ameiurus melas
  Caption: Collected in New Zealand!
• 
  Species: Glyptothorax trewavasae
  Caption: Collected in Panchganga river at Prayag Chikhali
• 
  Species: Corydoras(ln8sc3) reticulatus
  Caption: Collected in Peruvian Amazon
• 
  Species: Corydoras(ln9) trilineatus
  Caption: Collected in Peruvian Amazon
• 
  Species: Chaetostoma thomsoni
  Caption: Collected in Rio Magdalena
• 
  Species: Goeldiella eques
  Caption: Collected in Rio Nanay, Peru
• 
  Species: Rhamdia quelen
  Caption: Collected in Rio Nanay, Peru
• 
  Species: Chaetostoma cf. palmeri
  Caption: Collected in Rio San Juan, Colombia
• 
  Species: Rineloricaria jubata
  Caption: Collected in San Juan drainage, Colombia
• 
  Species: Rineloricaria jubata
  Caption: Collected in San Juan drainage, Colombia
• 
  Species: Rineloricaria jubata
  Caption: Collected in San Juan drainage, Colombia
• 
  Species: Corydoras(ln7) aeneus
  Caption: Collected in south eastern Peru
• 
  Species: Acanthodoras cataphractus
  Caption: Collected in Suriname
• 
  Species: Hassar affinis
  Caption: Collected in the Parnaíba river basin
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  Species: Pimelodus blochii
  Caption: Collected in the River Maroni system
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  Species: Exostoma ericinum
  Caption: Collected in the Upper Irrawady
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  Species: Pseudexostoma brachysoma
  Caption: Collected in the Upper Irrawady
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  Species: Hypancistrus lunaorum
  Caption: Collected in the upper rio Orinoco
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  Species: Pseudopimelodus bufonius
  Caption: Collected in the Venezuelan llanos.
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  Species: Pseudopimelodus bufonius
  Caption: Collected in the Venezuelan llanos.
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  Species: Chaetostoma spondylus
  Caption: Collected in Upper Maranon
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  Species: Chaetostoma spondylus
  Caption: Collected in Upper Maranon. Dorsal view
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  Species: Chaetostoma spondylus
  Caption: Collected in Upper Maranon. Ventral view
• 
  Species: Austroglanis sclateri
  Caption: Collected in Vaal River
• 
  Species: Austroglanis sclateri
  Caption: Collected in Vaal River. Ventral view
• 
  Species: Gogo ornatus
  Caption: Collected in Vaona Maralambo
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  Species: Corydoras(ln9) aff. trilineatus
  Caption: Collected in Venezuela
• 
  Species: Ancistomus spilomma
  Caption: Collected just downstream of Tucuruí Dam
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  Species: Rineloricaria hasemani
  Caption: Collected near Castanhal, Para State, Brazil
• 
  Species: Chaetostoma platyrhynchus
  Caption: Collected near Florencia, Rio Caqueta basin
• 
  Species: Platysilurus mucosus
  Caption: Collected near Nauta, Peru
• 
  Species: Synodontis sp. `NAKANBE RIVER`
  Caption: Collected near Tamale, Ghana
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  Species: Megalechis picta
  Caption: Collected on the Rio Negro near Barcelos
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  Species: Hypostomus sp. (L087)
  Caption: Collected Victoria e Belo Monte, Rio Xingu
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  Species: Corydoras(ln6) carlae
  Caption: Collecting in the wild
• 
  Species: Corydoras(ln9) leucomelas
  Caption: Collecting location, off Rio Yavari, Peru.
• 
  Species: Glyptosternon reticulatum
  Caption: Collecting using mayfly nets
• 
  Species: Astroblepus grixalvii
  Caption: Colombian Andes, Cundinamarca, 1500m elev.
• 
  Species: Astroblepus grixalvii
  Caption: Colombian Andes, Cundinamarca, 1500m elev.
• 
  Species: Astroblepus grixalvii
  Caption: Colombian Andes, Cundinamarca, 1500m elev.
• 
  Species: Astroblepus grixalvii
  Caption: Colombian Andes, Cundinamarca, 1500m elev.
• 
  Species: Astroblepus grixalvii
  Caption: Colombian Andes, Cundinamarca, 1500m elev.
• 
  Species: Astroblepus grixalvii
  Caption: Colombian Andes, Cundinamarca, 1500m elev.
• 
  Species: Astroblepus grixalvii
  Caption: Colombian Andes, Cundinamarca, 1500m elev.
• 
  Species: Rineloricaria felipponei
  Caption: Colonia del Sacramento, Uruguay
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  Species: Rineloricaria pareiacantha
  Caption: Colonia del Sacramento, Uruguay
• 
  Species: Rineloricaria thrissoceps
  Caption: Colonia del Sacramento, Uruguay
• 
  Species: Corydoras(ln7) melanotaenia
  Caption: Color in darkness
• 
  Species: Rineloricaria eigenmanni
  Caption: Color variation
• 
  Species: Rhyacoglanis seminiger
  Caption: Color variation. SL: a. 70.4, b. 48.6, c. 44.4 mm
• 
  Species: Dekeyseria picta
  Caption: Coloration of intermediate-size fish ~90-130mm SL
• 
  Species: Dekeyseria picta
  Caption: Coloration of larger fish >130mm SL
• 
  Species: Dekeyseria picta
  Caption: Coloration of smaller (young) fish below ~90mm SL
• 
  Species: Corydoras(ln9) trilineatus
  Caption: Colour variation
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  Species: Corydoras(ln7) venezuelanus
  Caption: Commercialy bred form
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  Species: Hypancistrus sp. (L174)
  Caption: Comparision of L174 & L316 fry at 20 days.
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  Species: Hypancistrus sp. (L316)
  Caption: Comparision of L174 & L316 fry at 20 days.
• 
  Species: Ompok bimaculatus
  Caption: Comparison of O. bimaculatus (above) and O. siluroides (below)
• 
  Species: Panaqolus sp. (L271)
  Caption: Comparison of L271 (left) and L169
• 
  Species: Synodontis ornatipinnis
  Caption: Confirmed wild-caught
• 
  Species: Ferrarissoaresia meridionalis
  Caption: Corrego Loanda, rio Teles Pires Basin, Mato Grosso State
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  Species: Corydoras(ln9) benattii
  Caption: Corydoras benattii in its habitat in Rio Xingu
• 
  Species: Corydoras(ln8sc4) pulcher
  Caption: Corydoras pulcher (left) C. sp. CW028 (right)
• 
  Species: Corydoras(ln9) sp. (Cw028)
  Caption: Corydoras pulcher (left) C. sp. CW028 (right)
• 
  Species: Chrysichthys nigrodigitatus
  Caption: Côte d'Ivoire
• 
  Species: Chrysichthys nigrodigitatus
  Caption: Côte d'Ivoire
• 
  Species: Pseudacanthicus leopardus
  Caption: Courting
• 
  Species: Pseudacanthicus leopardus
  Caption: Courting
• 
  Species: Pseudacanthicus leopardus
  Caption: Courting
• 
  Species: Pseudacanthicus sp. (L273)
  Caption: Courting
• 
  Species: Pseudacanthicus sp. (L273)
  Caption: Courting
• 
  Species: Pseudacanthicus sp. (L273)
  Caption: Courting
• 
  Species: Pseudacanthicus sp. (L273)
  Caption: Courting
• 
  Species: Pseudacanthicus sp. (L273)
  Caption: Courting
• 
  Species: Pseudacanthicus sp. (L273)
  Caption: Courting
• 
  Species: Pseudacanthicus sp. (L273)
  Caption: Courting
• 
  Species: Peckoltia sp. (L038)
  Caption: Courting behaviour
• 
  Species: Clarias batrachus
  Caption: Courtship
• 
  Species: Clarias batrachus
  Caption: Courtship
• 
  Species: Clarias batrachus
  Caption: Courtship
• 
  Species: Clarias batrachus
  Caption: Courtship
• 
  Species: Hypostomus lima
  Caption: Creek trib of rio das Velhas, in town of Rio Acima
• 
  Species: Hypostomus affinis
  Caption: Creek tributary, Piracicaba (Doce basin)