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Species: Corydoras loxozonus Caption: C079	Species: Corydoras sp. (C115) Caption: C115
Species: Corydoras sp. (C115) Caption: C116	Species: Corydoras sp. (C115) Caption: C116
Species: Corydoras ornatus Caption: C141 (right) and C. ornatus (left)	Species: Corydoras sp. (C141) Caption: C141 (right) and C. ornatus (left)
Species: Lamontichthys llanero Caption: Ca??o Chichimene	Species: Baryancistrus xanthellus Caption: Cachoeira Cutuvelo on the Rio Xingu
Species: Ancistrus damasceni Caption: Cachoeira da Campeira (Campeira Waterfall), Piauí, Brazil	Species: Ancistrus cf. cirrhosus Caption: Calico variety
Species: Ancistrus cf. cirrhosus Caption: Calico variety	Species: Ancistrus cf. cirrhosus Caption: Calico variety
Species: Hemiancistrus cf. punctulatus Caption: Canada del vigia, Uruguay	Species: Hemiancistrus cf. punctulatus Caption: Canada del vigia, Uruguay; Close-up of mouth
Species: Cathorops spixii Caption: Cananéia-Iguape Estuary, Brazil	Species: Cathorops spixii Caption: Cananéia-Iguape Estuary, Brazil
Species: Malacoglanis gelatinosus Caption: Cano Palomas	Species: Malacoglanis gelatinosus Caption: Cano Palomas, dorsal view
Species: Malacoglanis gelatinosus Caption: Cano Palomas, ventral view	Species: Hypancistrus zebra Caption: Captive bred infants
Species: Centromochlus perugiae Caption: Captive bred juvenile	Species: Acanthicus adonis Caption: Captive bred juveniles
Species: Loricaria lata Caption: Captured in Rio Tocantins	Species: Corydoras punctatus Caption: Catching Corydoras punctatus
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: 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: 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 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: 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: Sturisoma aff. festivum 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: 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 punctatus Caption: Close-up of barbed hooks	Species: Ossancora eigenmanni Caption: Close-up of barbels
Species: Planiloricaria cryptodon Caption: Close-up of barbels	Species: Brachysynodontis batensoda Caption: Close-up of barbels
Species: Hemisynodontis membranacea Caption: Close-up of barbels	Species: Mochokiella paynei 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: Hypoptopoma sp. `PERU(1)` Caption: Close-up of body odontodes
Species: Leporacanthicus cf. galaxias(l241) 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 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 boesemani 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: Squaliforma villarsi 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 boesemani Caption: Close-up of dorsal fin	Species: Corydoras crimmeni Caption: Close-up of dorsal fin
Species: Corydoras seussi 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: Chaetostoma dupouii Caption: Close-up of dorsal fin	Species: Chaetostoma sp. (L402) Caption: Close-up of dorsal fin
Species: Hemiloricaria aff. wolfei Caption: Close-up of dorsal fin	Species: Hypostomus roseopunctatus Caption: Close-up of dorsal fin
Species: Hypostomus soniae 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: Squaliforma emarginata 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: Auchenipterinae sp. (1) 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: Hemiloricaria 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 cf. nigrolineatus Caption: Close-up of eye	Species: Panaque cochliodon 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: Centromochlus perugiae Caption: Close-up of female anal fin
Species: Platystacus cotylephorus Caption: Close-up of female and egg	Species: Rhamdia quelen 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: Baryancistrus sp. (L081) Caption: Close-up of female head	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: Synodontis angelicus Caption: Close-up of genital pappilae	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: Auchenipterinae sp. (1) Caption: Close-up of head	Species: Auchenipterus nuchalis Caption: Close-up of head
Species: Centromochlus romani Caption: Close-up of head	Species: Centromochlus schultzi 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: 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 aeneus Caption: Close-up of head
Species: Corydoras brevirostris Caption: Close-up of head	Species: Corydoras crimmeni Caption: Close-up of head
Species: Corydoras julii Caption: Close-up of head	Species: Corydoras narcissus Caption: Close-up of head
Species: Corydoras robineae Caption: Close-up of head	Species: Corydoras schultzei Caption: Close-up of head
Species: Corydoras semiaquilus Caption: Close-up of head	Species: Corydoras sp. (C141) Caption: Close-up of head
Species: Corydoras zygatus Caption: Close-up of head	Species: Megalechis thoracata Caption: Close-up of head
Species: Cetopsis coecutiens 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: Dinotopterus foveolatus Caption: Close-up of head
Species: Dinotopterus foveolatus 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: Pterodoras granulosus Caption: Close-up of head
Species: Rhinodoras armbrusteri Caption: Close-up of head	Species: Rhinodoras boehlkei Caption: Close-up of head
Species: Rhinodoras gallagheri 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: 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: 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: 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: Hemiloricaria cacerensis Caption: Close-up of head	Species: Hemiloricaria melini Caption: Close-up of head
Species: Hemiloricaria parva Caption: Close-up of head	Species: Hemiloricaria sp. (2) Caption: Close-up of head
Species: Hemiloricaria sp. (3) Caption: Close-up of head	Species: Hemiloricaria sp. (4) 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 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: Hypoptopoma sp. `PERU(1)` 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: 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 maccus Caption: Close-up of head
Species: Panaqolus sp. (L002) Caption: Close-up of head	Species: Panaqolus sp. (L329) 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: Panaque titan 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 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 felipponei 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. `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: Squaliforma emarginata 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: 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 tanganaicae 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 marmoratus 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: 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: 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 sp. (1) 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: 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: Farlowella sp. (1) Caption: Close-up of head - female
Species: Rineloricaria aff. latirostris Caption: Close-up of head - lateral view	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: Hemiloricaria sp. (1) 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. (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: Centromochlus reticulatus 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: 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: Auchenoglanis senegali Caption: Close-up of head-110 mm SL	Species: Auchenoglanis cf. occidentalis Caption: Close-up of head-28 cm TL
Species: Sturisoma panamense Caption: Close-up of head-Southern Panama	Species: Hypostomus cf. paulinus Caption: Close-up of head. Dorsal view
Species: Hemiloricaria stewarti Caption: Close-up of head; Dorsal view	Species: Oxyropsis wrightiana Caption: Close-up of head; Dorsal view
Species: Synodontis ocellifer Caption: Close-up of humeral	Species: Hassar wilderi Caption: Close-up of humeral process
Species: Brachysynodontis batensoda 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 gambiensis Caption: Close-up of humeral process	Species: Synodontis irsacae Caption: Close-up of humeral process
Species: Synodontis sp. `JA RIVER` Caption: Close-up of humeral process	Species: Synodontis tanganaicae Caption: Close-up of humeral process
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: Bagrus meridionalis Caption: Close-up of Male
Species: Scleromystax barbatus Caption: Close-up of male	Species: Scleromystax barbatus Caption: Close-up of male
Species: Scleromystax barbatus Caption: Close-up of male	Species: Scleromystax macropterus 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: Hemiloricaria melini 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: Centromochlus 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: Sturisoma aff. festivum Caption: Close-up of male guarding eggs	Species: Sturisoma festivum Caption: Close-up of male guarding eggs
Species: Entomocorus gameroi Caption: Close-up of male head	Species: Baryancistrus sp. (L081) Caption: Close-up of male head
Species: Hemiloricaria 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: Hemiloricaria lanceolata Caption: Close-up of male showing cheek bristles
Species: Pseudancistrus sp. (L259) 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 bahianus 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: Auchenipterichthys coracoideus Caption: Close-up of male's thickened anal 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. (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 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: Baryancistrus chrysolomus Caption: Close-up of mouth
Species: Baryancistrus sp. (L019) Caption: Close-up of mouth	Species: Baryancistrus sp. (L081) 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: Dekeyseria brachyura 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: Hemiloricaria formosa Caption: Close-up of mouth	Species: Hemiloricaria parva Caption: Close-up of mouth
Species: Hemiodontichthys acipenserinus Caption: Close-up of mouth	Species: Hisonotus leucofrenatus Caption: Close-up of mouth
Species: Hypancistrus furunculus Caption: Close-up of mouth	Species: Hypancistrus sp. (L136) 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 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. (9) Caption: Close-up of mouth
Species: Hypostomus sp. (L233) Caption: Close-up of mouth	Species: Hypostomus weberi 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: Lithoxus jantjae Caption: Close-up of mouth	Species: Lithoxus sp. (L435) 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 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. (L329) 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: Panaqolus sp. `ACRE` 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 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 sp. (L191) Caption: Close-up of mouth
Species: Panaque titan 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 anisitsi 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 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 zuanoni Caption: Close-up of mouth
Species: Sturisoma barbatum Caption: Close-up of mouth	Species: Sturisoma festivum Caption: Close-up of mouth
Species: Sturisoma robustum 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 gambiensis 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 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: Pseudostegophilus nemurus Caption: Close-up of mouth	Species: Synodontis vanderwaali Caption: Close-up of mouth & barbels
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: 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: 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: Hemiloricaria parva Caption: Close-up of pair guarding eggs	Species: Spinipterus sp. (1) 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: 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: 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: 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 nattereri Caption: Close-up of tail
Species: Hemiloricaria aff. wolfei Caption: Close-up of tail	Species: Hemiloricaria eigenmanni Caption: Close-up of tail
Species: Hemiloricaria stewarti Caption: Close-up of tail	Species: Hisonotus chromodontus Caption: Close-up of tail
Species: Oxyropsis wrightiana 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: Megalancistrus parananus 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: 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: Platystacus cotylephorus Caption: Close-up of ventral view
Species: Hemiloricaria sp. (3) Caption: Close-up of ventral view	Species: Hemiloricaria sp. (4) Caption: Close-up of ventral view
Species: Hemiloricaria teffeana 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: 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: Hemisynodontis membranacea Caption: Close-up showing barbel detail	Species: Hemisynodontis membranacea 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: Corydoras simulatus Caption: Close-up showing third rictal barbel
Species: Corydoras amapaensis Caption: Close-up showing third rictal barble	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: Hemiloricaria 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: Gogo ornatus Caption: Collected at Sandranamby	Species: Corydoras 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 reticulatus Caption: Collected in Peruvian Amazon	Species: Corydoras 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 aeneus Caption: Collected in south eastern Peru
Species: Acanthodoras cataphractus Caption: Collected in Suriname	Species: Hassar affinis Caption: Collected in the Parnaíba river basin
Species: Pimelodus blochii Caption: Collected in the River Maroni system	Species: Exostoma ericinum Caption: Collected in the Upper Irrawady
Species: Pseudexostoma brachysoma Caption: Collected in the Upper Irrawady	Species: Hypancistrus lunaorum Caption: Collected in the upper rio Orinoco
Species: Pseudopimelodus bufonius Caption: Collected in the Venezuelan llanos.	Species: Pseudopimelodus bufonius Caption: Collected in the Venezuelan llanos.
Species: Chaetostoma spondylus Caption: Collected in Upper Maranon	Species: Chaetostoma spondylus Caption: Collected in Upper Maranon. Dorsal view
Species: Chaetostoma spondylus Caption: Collected in Upper Maranon. Ventral view	Species: Gogo ornatus Caption: Collected in Vaona Maralambo
Species: Corydoras aff. trilineatus Caption: Collected in Venezuela	Species: Ancistomus spilomma Caption: Collected just downstream of Tucuruí Dam
Species: Chaetostoma platyrhynchus Caption: Collected near Florencia, Rio Caqueta basin	Species: Platysilurus mucosus Caption: Collected near Nauta, Peru
Species: Megalechis picta Caption: Collected on the Rio Negro near Barcelos	Species: Hypostomus sp. (L087) Caption: Collected Victoria e Belo Monte, Rio Xingu
Species: Corydoras carlae Caption: Collecting in the wild	Species: Corydoras 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	Species: Rineloricaria pareiacantha Caption: Colonia del Sacramento, Uruguay
Species: Rineloricaria thrissoceps Caption: Colonia del Sacramento, Uruguay	Species: Corydoras melanotaenia Caption: Color in darkness
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 trilineatus Caption: Colour variation
Species: Corydoras venezuelanus Caption: Commercialy bred form	Species: Hypancistrus sp. (L174) Caption: Comparision of L174 & L316 fry at 20 days.
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: Centromochlus meridionalis Caption: Corrego Loanda, rio Teles Pires Basin, Mato Grosso State	Species: Corydoras duplicareus Caption: Corydoras duplicareus (left) & C. adolfoi (right)
Species: Corydoras pulcher Caption: Corydoras pulcher (left) C. sp. CW028 (right)	Species: Corydoras sp. (Cw028) Caption: Corydoras pulcher (left) C. sp. CW028 (right)
Species: Corydoras steindachneri Caption: Courting	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)