A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Species: Ancistrus sp. (L514)
Caption: adult male - ventral view
Species: Imparfinis mirini
Caption: Albino, Rio Pardo basin, ventral view
Species: Ancistrus centrolepis
Caption: Baudo River, Choco, Colombia. Ventral view.
Species: Malacoglanis gelatinosus
Caption: Cano Palomas, ventral view
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: 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: 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: Chaetostoma spondylus
Caption: Collected in Upper Maranon. Ventral view
Species: Austroglanis sclateri
Caption: Collected in Vaal River. Ventral view
Species: Chaetostoma formosae
Caption: Female - ventral view
Species: Pseudohemiodon aff. apithanos
Caption: Female - ventral view
Species: Pseudohemiodon platycephalus
Caption: Female - ventral view
Species: Rineloricaria langei
Caption: Female - ventral view
Species: Rineloricaria maacki
Caption: Female - ventral view
Species: Sturisomatichthys aureus
Caption: Female - ventral view
Species: Ancistrus sp. (L180)
Caption: Female (right) and male (left), ventral view
Species: Megalodoras uranoscopus
Caption: Female ventral view
Species: Epactionotus bilineatus
Caption: Female, ventral view
Species: Peckoltia sp. `RIO NEGRO II`
Caption: Female, ventral view
Species: Rineloricaria daraha
Caption: Female, ventral view
Species: Hypostomus sp. (L346)
Caption: Fry, ventral view
Species: Parotocinclus sp. `RIO CAQUETA`
Caption: Gravid female, ventral view
Species: Hypancistrus inspector
Caption: Holotype - ventral view
Species: Microglanis ater
Caption: Holotype (ZMB 20932), ventral view
Species: Ancistrus amaris
Caption: Holotype ventral view
Species: Pareiorhaphis vetula
Caption: Holotype, male, ventral view
Species: Rineloricaria isaaci
Caption: Holotype, male, ventral view
Species: Ferrarissoaresia meridionalis
Caption: Holotype, male; Ventral view
Species: Pseudobunocephalus timbira
Caption: Holotype, ventral view
Species: Xyliphius anachoretes
Caption: Holotype, Ventral view
Species: Tatia caudosignata
Caption: Holotype, ventral view
Species: Corydoras(ln8sc4) brittoi
Caption: Holotype, ventral view
Species: Corydoras(ln9) apiaka
Caption: Holotype, ventral view
Species: Corydoras(ln9) pavanelliae
Caption: Holotype, ventral view
Species: Pseudotanganikallabes prognatha
Caption: Holotype, ventral view
Species: Mastiglanis yaguas
Caption: Holotype, ventral view
Species: Pimelodella longibarbata
Caption: Holotype, ventral view
Species: Pimelodella yaharo
Caption: Holotype, ventral view
Species: Ancistrus kellerae
Caption: Holotype, ventral view
Species: Ancistrus leoni
Caption: Holotype, ventral view
Species: Ancistrus saudades
Caption: Holotype, ventral view
Species: Ancistrus yutajae
Caption: Holotype, ventral view
Species: Chaetostoma chimu
Caption: Holotype, ventral view
Species: Corumbataia acanthodela
Caption: Holotype, ventral view
Species: Curculionichthys hera
Caption: Holotype, ventral view
Species: Curculionichthys insperatus
Caption: Holotype, ventral view
Species: Epactionotus advenus
Caption: Holotype, ventral view
Species: Farlowella altocorpus
Caption: Holotype, ventral view
Species: Farlowella gianetii
Caption: Holotype, ventral view
Species: Farlowella yarigui
Caption: Holotype, ventral view
Species: Hemiancistrus furtivus
Caption: Holotype, ventral view
Species: Hypancistrus margaritatus
Caption: Holotype, Ventral view
Species: Hypancistrus phantasma
Caption: Holotype, Ventral view
Species: Hypostomus ericae
Caption: Holotype, ventral view
Species: Otocinclus mangaba
Caption: Holotype, ventral view
Species: Parotocinclus nandae
Caption: Holotype, ventral view
Species: Rineloricaria aurata
Caption: Holotype, ventral view
Species: Spectracanthicus javae
Caption: Holotype, ventral view
Species: Spectracanthicus tocantinensis
Caption: Holotype, ventral view
Species: Microsynodontis armatus
Caption: Holotype, ventral view
Species: Microsynodontis laevigatus
Caption: Holotype, ventral view
Species: Microsynodontis notatus
Caption: Holotype, ventral view
Species: Microglanis carlae
Caption: Holotype, ventral view
Species: Microglanis garavelloi
Caption: Holotype, ventral view
Species: Microglanis leniceae
Caption: Holotype, ventral view
Species: Microglanis leptostriatus
Caption: Holotype, ventral view
Species: Microglanis lundbergi
Caption: Holotype, ventral view
Species: Microglanis maculatus
Caption: Holotype, ventral view
Species: Microglanis malabarbai
Caption: Holotype, ventral view
Species: Microglanis minutus
Caption: Holotype, ventral view
Species: Microglanis oliveirai
Caption: Holotype, ventral view
Species: Microglanis pataxo
Caption: Holotype, ventral view
Species: Microglanis pleriqueater
Caption: Holotype, ventral view
Species: Microglanis reikoae
Caption: Holotype, ventral view
Species: Microglanis robustus
Caption: Holotype, ventral view
Species: Microglanis sparsus
Caption: Holotype, ventral view
Species: Microglanis xerente
Caption: Holotype, ventral view
Species: Microglanis xylographicus
Caption: Holotype, ventral view
Species: Pseudopimelodus atricaudus
Caption: Holotype, ventral view
Species: Pseudopimelodus magnus
Caption: Holotype, ventral view
Species: Rhyacoglanis annulatus
Caption: Holotype, ventral view
Species: Rhyacoglanis epiblepsis
Caption: Holotype, ventral view
Species: Rhyacoglanis paranensis
Caption: Holotype, ventral view
Species: Rhyacoglanis seminiger
Caption: Holotype, ventral view
Species: Glyptothorax distichus
Caption: Holotype, ventral view
Species: Oreoglanis omkoiensis
Caption: Holotype, ventral view
Species: Pseudecheneis nagalandensis
Caption: Holotype, ventral view
Species: Cambeva flavopicta
Caption: Holotype, ventral view
Species: Trichogenes beagle
Caption: Holotype, ventral view
Species: Trichomycterus lauzannii
Caption: Holotype, ventral view
Species: Astroblepus cacharas
Caption: Holotype, ventral view of head
Species: Peckoltia otali
Caption: Holotype, ventral view, 76.5 mm SL
Species: Rhadinoloricaria stewarti
Caption: Holotype, ventral view.
Species: Hisonotus bockmanni
Caption: Holotype, ventral view. Female, 21.9mm SL
Species: Trichomycterus rosablanca
Caption: Holotype, ventral view. Photo by Felipe Villegas
Species: Ancistrus patronus
Caption: Holotype, ventral view. Photo: Nathan Lujan
Species: Corydoras(ln6) froehlichi
Caption: Holotype; ventral view
Species: Tatia akroa
Caption: Holotype. Male. Ventral view
Species: Heptapterus carnatus
Caption: Holotype. Ventral view. Bar = 1cm
Species: Heptapterus exilis
Caption: Holotype. Ventral view. Bar = 1cm
Species: Astroblepus sabalo
Caption: Intromittent organ of sexually mature male. (A) Lateral view. (B) Ventral view. af, anal fin.
Species: Synodontis sp. hybrid(3)
Caption: Juvenile - ventral view
Species: Farlowella platorynchus
Caption: Juvenile ventral view
Species: Spectracanthicus punctatissimus
Caption: L030 ventral view
Species: Spectracanthicus punctatissimus
Caption: L030 ventral view
Species: Spectracanthicus punctatissimus
Caption: L030 ventral view
Species: Dekeyseria picta
Caption: L052. Ventral view
Species: Baryancistrus xanthellus
Caption: L081 ventral view
Species: Pseudolithoxus kinja
Caption: L385, ventral view
Species: Pseudolithoxus kinja
Caption: L492, Ventral view
Species: Ancistrus saudades
Caption: Live coloration, ventral view
Species: Ancistrus trinitatis
Caption: Live coloration, ventral view
Species: Chaetostoma formosae
Caption: Male - close-up of ventral view
Species: Chaetostoma formosae
Caption: Male - ventral view
Species: Pseudohemiodon aff. apithanos
Caption: Male - ventral view
Species: Rineloricaria langei
Caption: Male - ventral view
Species: Rineloricaria maacki
Caption: Male - ventral view
Species: Sturisomatichthys aureus
Caption: Male - ventral view
Species: Ferrarissoaresia ferrarisi
Caption: Male (Ventral view of holotype)
Species: Megalodoras uranoscopus
Caption: Male ventral view
Species: Epactionotus bilineatus
Caption: Male, ventral view
Species: Peckoltia sp. `RIO NEGRO II`
Caption: Male, ventral view
Species: Rineloricaria daraha
Caption: Male, ventral view
Species: Hypostomus subcarinatus
Caption: MCNIP 1103, Ventral view
Species: Cordylancistrus pijao
Caption: Middle Magdalena, Antioquia Dept. Ventral view
Species: Mastiglanis sp. (2)
Caption: MUSM 55055, Holotype, ventral view
Species: Sturisomatichthys aureus
Caption: One day old fry - ventral view
Species: Ferrarissoaresia meridionalis
Caption: Paratype, female; Ventral view
Species: Microglanis garavelloi
Caption: Paratype, ventral view
Species: Malacoglanis gelatinosus
Caption: Rio Ariporo, ventral view
Species: Hypostomus ancistroides
Caption: Rio Jau, Brazil. Ventral view
Species: Pseudopimelodus bufonius
Caption: Rio Xingu - 84mm SL - Ventral view
Species: Hypancistrus sp. (L270)
Caption: Six month old juvenile (ventral view)
Species: Panaque schaeferi
Caption: Subadult, 4 years old (same as 2yo), >40 cm TL, ventral view
Species: Ancistrus falconensis
Caption: Type specimen - ventral view
Species: Ailiichthys punctata
Caption: Ventral view
Species: Proeutropiichthys taakree
Caption: Ventral view
Species: Acrochordonichthys guttatus
Caption: Ventral view
Species: Akysis bilustris
Caption: Ventral view
Species: Akysis pulvinatus
Caption: Ventral view
Species: Akysis vespa
Caption: Ventral view
Species: Breitensteinia insignis
Caption: Ventral view
Species: Breitensteinia insignis
Caption: Ventral view
Species: Pseudobagarius inermis
Caption: Ventral view
Species: Pseudobagarius meridionalis
Caption: Ventral view
Species: Pseudobagarius similis
Caption: Ventral view
Species: Amblyceps arunachalense
Caption: Ventral view
Species: Amblyceps protentum
Caption: Ventral view
Species: Liobagrus anguillicauda
Caption: Ventral view
Species: Xiurenbagrus gigas
Caption: Ventral view
Species: Amphilius grandis
Caption: Ventral view
Species: Amphilius jacksonii
Caption: Ventral view
Species: Amphilius krefftii
Caption: Ventral view
Species: Amphilius longirostris
Caption: Ventral view
Species: Amphilius maesii
Caption: Ventral view
Species: Amphilius natalensis
Caption: Ventral view
Species: Amphilius opisthophthalmus
Caption: Ventral view
Species: Belonoglanis brieni
Caption: Ventral view
Species: Dolichamphilius brieni
Caption: Ventral view
Species: Phractura scaphyrhynchura
Caption: Ventral view
Species: Tetracamphilius angustifrons
Caption: Ventral view
Species: Trachyglanis ineac
Caption: Ventral view
Species: Trachyglanis ineac
Caption: Ventral view
Species: Trachyglanis sanghensis
Caption: Ventral view
Species: Zaireichthys mandevillei
Caption: Ventral view
Species: Zaireichthys rotundiceps
Caption: Ventral view
Species: Gogo atratus
Caption: Ventral view
Species: Gogo brevibarbis
Caption: Ventral view
Species: Ariopsis assimilis
Caption: Ventral view
Species: Arius acutirostris
Caption: Ventral view
Species: Hexanematichthys mastersi
Caption: Ventral view
Species: Neoarius graeffei
Caption: Ventral view
Species: Netuma bilineata
Caption: Ventral view
Species: Osteogeneiosus militaris
Caption: Ventral view
Species: Sciades herzbergii
Caption: Ventral view
Species: Bunocephalus colombianus
Caption: Ventral view
Species: Bunocephalus hertzi
Caption: Ventral view
Species: Bunocephalus knerii
Caption: Ventral view
Species: Bunocephalus larai
Caption: Ventral view
Species: Ernstichthys megistus
Caption: Ventral view
Species: Pterobunocephalus depressus
Caption: Ventral view
Species: Pterobunocephalus depressus
Caption: Ventral view
Species: Xyliphius lepturus
Caption: Ventral view
Species: Xyliphius melanopterus
Caption: Ventral view
Species: Astroblepus boulengeri
Caption: Ventral view
Species: Astroblepus brachycephalus
Caption: Ventral view
Species: Astroblepus chotae
Caption: Ventral view
Species: Astroblepus cirratus
Caption: Ventral view
Species: Astroblepus eigenmanni
Caption: Ventral view
Species: Astroblepus festae
Caption: Ventral view
Species: Astroblepus fissidens
Caption: Ventral view
Species: Astroblepus guentheri
Caption: Ventral view
Species: Astroblepus heterodon
Caption: Ventral view
Species: Astroblepus homodon
Caption: Ventral view
Species: Astroblepus mancoi
Caption: Ventral view
Species: Astroblepus marmoratus
Caption: Ventral view
Species: Astroblepus orientalis
Caption: Ventral view
Species: Astroblepus retropinnus
Caption: Ventral view
Species: Astroblepus simonsii
Caption: Ventral view
Species: Astroblepus taczanowskii
Caption: Ventral view
Species: Astroblepus vaillanti
Caption: Ventral view
Species: Astroblepus whymperi
Caption: Ventral view
Species: Ageneiosus apiaka
Caption: Ventral view
Species: Entomocorus radiosus
Caption: Ventral view
Species: Tatia concolor
Caption: Ventral view
Species: Tetranematichthys barthemi
Caption: Ventral view
Species: Trachelyichthys decaradiatus
Caption: Ventral view
Species: Trachelyopterus sp. (4)
Caption: Ventral view
Species: Bagrichthys macracanthus
Caption: Ventral view
Species: Mystus velifer
Caption: Ventral view
Species: Nanobagrus fuscus
Caption: Ventral view
Species: Nanobagrus lemniscatus
Caption: Ventral view
Species: Pseudomystus stenogrammus
Caption: Ventral view
Species: Tachysurus brevianalis
Caption: Ventral view
Species: Tachysurus eupogon
Caption: Ventral view
Species: Tachysurus nubilosus
Caption: Ventral view
Species: Tachysurus spilotus
Caption: Ventral view
Species: Tachysurus tokiensis
Caption: Ventral view
Species: Corydoras(ln1) spilurus
Caption: Ventral view
Species: Corydoras(ln1) zawadzkii
Caption: Ventral view
Species: Corydoras(ln6) lacrimostigmata
Caption: Ventral view
Species: Corydoras(ln6) lymnades
Caption: Ventral view
Species: Corydoras(ln9) esperanzae
Caption: Ventral view
Species: Corydoras(ln9) trilineatus
Caption: Ventral view
Species: Scleromystax salmacis
Caption: Ventral view
Species: Cetopsis baudoensis
Caption: Ventral view
Species: Chaca serica
Caption: Ventral view
Species: Clariallabes longicauda
Caption: Ventral view
Species: Clarias dhonti
Caption: Ventral view
Species: Clarias engelseni
Caption: Ventral view
Species: Clarias gracilentus
Caption: Ventral view
Species: Clarias teijsmanni
Caption: Ventral view
Species: Tanganikallabes alboperca
Caption: Ventral view
Species: Tanganikallabes mortiauxi
Caption: Ventral view
Species: Tanganikallabes stewarti
Caption: Ventral view
Species: Uegitglanis zammaranoi
Caption: Ventral view
Species: Xenoclarias holobranchus
Caption: Ventral view
Species: Chrysichthys acsiorum
Caption: Ventral view
Species: Chrysichthys turkana
Caption: Ventral view
Species: Notoglanidium maculatum
Caption: Ventral view
Species: Parauchenoglanis punctatus
Caption: Ventral view
Species: Acanthodoras cataphractus
Caption: Ventral view
Species: Acanthodoras spinosissimus
Caption: Ventral view
Species: Agamyxis pectinifrons
Caption: Ventral view
Species: Amblydoras nauticus
Caption: Ventral view
Species: Doras phlyzakion
Caption: Ventral view
Species: Leptodoras nelsoni
Caption: Ventral view
Species: Leptodoras rogersae
Caption: Ventral view
Species: Orinocodoras eigenmanni
Caption: Ventral view
Species: Platydoras brachylecis
Caption: Ventral view
Species: Rhynchodoras xingui
Caption: Ventral view
Species: Cetopsorhamdia molinae
Caption: Ventral view
Species: Imparfinis stictonotus
Caption: Ventral view
Species: Phenacorhamdia boliviana
Caption: Ventral view
Species: Pimelodella vittata
Caption: Ventral view
Species: Rhamdia laticauda
Caption: Ventral view
Species: Pseudeutropius mitchelli
Caption: Ventral view
Species: Ictalurus pricei
Caption: Ventral view
Species: Prietella phreatophila
Caption: Ventral view
Species: Lacantunia enigmatica
Caption: Ventral view
Species: Acestridium gymnogaster
Caption: Ventral view
Species: Acestridium martini
Caption: Ventral view
Species: Acestridium triplax
Caption: Ventral view
Species: Ancistomus sp. (L487)
Caption: Ventral view
Species: Ancistrus aff. bolivianus
Caption: Ventral view
Species: Ancistrus alga
Caption: Ventral view
Species: Ancistrus brevipinnis
Caption: Ventral view
Species: Ancistrus caucanus
Caption: Ventral view
Species: Ancistrus centrolepis
Caption: Ventral view
Species: Ancistrus cf. cirrhosus
Caption: Ventral view
Species: Ancistrus claro
Caption: Ventral view
Species: Ancistrus clementinae
Caption: Ventral view
Species: Ancistrus falconensis
Caption: Ventral view
Species: Ancistrus heterorhynchus
Caption: Ventral view
Species: Ancistrus karajas
Caption: Ventral view
Species: Ancistrus krenakarore
Caption: Ventral view
Species: Ancistrus leucostictus
Caption: Ventral view
Species: Ancistrus lineolatus
Caption: Ventral view
Species: Ancistrus lithurgicus
Caption: Ventral view
Species: Ancistrus malacops
Caption: Ventral view
Species: Ancistrus marcapatae
Caption: Ventral view
Species: Ancistrus miracollis
Caption: Ventral view
Species: Ancistrus montanus
Caption: Ventral view
Species: Ancistrus occidentalis
Caption: Ventral view
Species: Ancistrus ranunculus
Caption: Ventral view
Species: Ancistrus shuar
Caption: Ventral view
Species: Ancistrus sp. (L159)
Caption: Ventral view
Species: Ancistrus sp. (L325)
Caption: Ventral view
Species: Ancistrus sp. (L509)
Caption: Ventral view
Species: Ancistrus sp. `LOWER RIO NEGRO`
Caption: Ventral view
Species: Ancistrus sp. `RIO MAMORE`
Caption: Ventral view
Species: Ancistrus sp. `RIO UCAYALI`
Caption: Ventral view
Species: Ancistrus tolima
Caption: Ventral view
Species: Ancistrus trinitatis
Caption: Ventral view
Species: Andeancistrus eschwartzae
Caption: Ventral view
Species: Andeancistrus platycephalus
Caption: Ventral view
Species: Avalithoxus jantjae
Caption: Ventral view
Species: Baryancistrus cf. niveatus
Caption: Ventral view
Species: Baryancistrus demantoides
Caption: Ventral view
Species: Baryancistrus sp. (L142)
Caption: Ventral view
Species: Chaetostoma anale
Caption: Ventral view
Species: Chaetostoma breve
Caption: Ventral view
Species: Chaetostoma dorsale
Caption: Ventral view
Species: Chaetostoma milesi
Caption: Ventral view
Species: Chaetostoma platyrhynchus
Caption: Ventral view
Species: Chaetostoma platyrhynchus
Caption: Ventral view
Species: Chaetostoma sp. (5)
Caption: Ventral view
Species: Chaetostoma sp. (6)
Caption: Ventral view
Species: Chaetostoma sp. (L455)
Caption: Ventral view
Species: Chaetostoma sp. (L455)
Caption: Ventral view
Species: Chaetostoma sp. (L455)
Caption: Ventral view
Species: Chaetostoma vagum
Caption: Ventral view
Species: Chauliocheilos saxatilis
Caption: Ventral view
Species: Cordylancistrus torbesensis
Caption: Ventral view
Species: Corumbataia tocantinensis
Caption: Ventral view
Species: Corymbophanes ameliae
Caption: Ventral view
Species: Crossoloricaria sp. `PERU`
Caption: Ventral view
Species: Curculionichthys itaim
Caption: Ventral view
Species: Curculionichthys jumaorum
Caption: Ventral view
Species: Curculionichthys tukana
Caption: Ventral view
Species: Dasyloricaria filamentosa
Caption: Ventral view
Species: Delturus sp. (1)
Caption: Ventral view
Species: Epactionotus gracilis
Caption: Ventral view
Species: Epactionotus itaimbezinho
Caption: Ventral view
Species: Farlowella azpelicuetae
Caption: Ventral view
Species: Farlowella mariaelenae
Caption: Ventral view
Species: Farlowella mariaelenae
Caption: Ventral view
Species: Farlowella mitoupibo
Caption: Ventral view
Species: Farlowella nattereri
Caption: Ventral view
Species: Farlowella oxyrryncha
Caption: Ventral view
Species: Farlowella oxyrryncha
Caption: Ventral view
Species: Farlowella smithi
Caption: Ventral view
Species: Farlowella vittata
Caption: Ventral view
Species: Guyanancistrus sp. (L490)
Caption: Ventral view
Species: Harttia dissidens
Caption: Ventral view
Species: Harttia fowleri
Caption: Ventral view
Species: Harttia loricariformis
Caption: Ventral view
Species: Harttia punctata
Caption: Ventral view
Species: Hemiancistrus cerrado
Caption: Ventral view
Species: Hemiancistrus landoni
Caption: Ventral view
Species: Hemiancistrus sp. (L476)
Caption: Ventral view
Species: Hemiancistrus subviridis
Caption: Ventral view
Species: Hirtella carinata
Caption: Ventral view
Species: Hisonotus chromodontus
Caption: Ventral view
Species: Hisonotus chromodontus
Caption: Ventral view
Species: Hisonotus francirochai
Caption: Ventral view
Species: Hisonotus pantherinus
Caption: Ventral view
Species: Hisonotus vespuccii
Caption: Ventral view
Species: Hypancistrus contradens
Caption: Ventral view
Species: Hypancistrus sp. (L066)
Caption: Ventral view
Species: Hypancistrus sp. (L136C)
Caption: Ventral view
Species: Hypancistrus sp. (L174)
Caption: Ventral view
Species: Hypancistrus sp. (L260)
Caption: Ventral view
Species: Hypancistrus sp. (L297)
Caption: Ventral view
Species: Hypancistrus sp. (L333)
Caption: Ventral view
Species: Hypancistrus sp. `LOWER RIO XINGU`
Caption: Ventral view
Species: Hypancistrus sp. `LOWER RIO XINGU`
Caption: Ventral view
Species: Hypancistrus vandragti
Caption: Ventral view
Species: Hypancistrus zebra
Caption: Ventral view
Species: Hypancistrus zebra
Caption: Ventral view
Species: Hypoptopoma cf. guianense
Caption: Ventral view
Species: Hypoptopoma guianense
Caption: Ventral view
Species: Hypoptopoma gulare
Caption: Ventral view
Species: Hypoptopoma gulare
Caption: Ventral view
Species: Hypoptopoma inexspectatum
Caption: Ventral view
Species: Hypoptopoma sp. (4)
Caption: Ventral view
Species: Hypoptopoma steindachneri
Caption: Ventral view
Species: Hypostomus annectens
Caption: Ventral view
Species: Hypostomus argus
Caption: Ventral view
Species: Hypostomus basilisko
Caption: Ventral view
Species: Hypostomus faveolus
Caption: Ventral view
Species: Hypostomus hemiurus
Caption: Ventral view
Species: Hypostomus hemiurus
Caption: Ventral view
Species: Hypostomus jaguar
Caption: Ventral view
Species: Hypostomus jaguribensis
Caption: Ventral view
Species: Hypostomus khimaera
Caption: Ventral view
Species: Hypostomus kuarup
Caption: Ventral view
Species: Hypostomus latifrons
Caption: Ventral view
Species: Hypostomus luteus
Caption: Ventral view
Species: Hypostomus luteus
Caption: Ventral view
Species: Hypostomus macushi
Caption: Ventral view
Species: Hypostomus melanephelis
Caption: Ventral view
Species: Hypostomus niceforoi
Caption: Ventral view
Species: Hypostomus oculeus
Caption: Ventral view
Species: Hypostomus pagei
Caption: Ventral view
Species: Hypostomus roseopunctatus
Caption: Ventral view
Species: Hypostomus sp. (L346)
Caption: Ventral view
Species: Hypostomus sp. (L517)
Caption: Ventral view
Species: Hypostomus sp. `RIO PAUSHIYACO`
Caption: Ventral view
Species: Isorineloricaria acuarius
Caption: Ventral view
Species: Kronichthys lacerta
Caption: Ventral view
Species: Lamontichthys sp. `COLOMBIA`
Caption: Ventral view
Species: Lasiancistrus cf. caucanus
Caption: Ventral view
Species: Leporacanthicus heterodon
Caption: Ventral view
Species: Leporacanthicus joselimai
Caption: Ventral view
Species: Leporacanthicus sp. (L473)
Caption: Ventral view
Species: Leptoancistrus sp. `ATRATO`
Caption: Ventral view
Species: Leptotocinclus ctenistus
Caption: Ventral view
Species: Leptotocinclus madeirae
Caption: Ventral view
Species: Limatulichthys griseus
Caption: Ventral view
Species: Limatulichthys nasarcus
Caption: Ventral view
Species: Lithogenes wahari
Caption: Ventral view
Species: Lithoxancistrus orinoco
Caption: Ventral view
Species: Lithoxancistrus yekuana
Caption: Ventral view
Species: Loricaria birindellii
Caption: Ventral view
Species: Loricaria luciae
Caption: Ventral view
Species: Loricaria luciae
Caption: Ventral view
Species: Loricaria lundbergi
Caption: Ventral view
Species: Loricaria lundbergi
Caption: Ventral view
Species: Loricaria pumila
Caption: Ventral view
Species: Loricaria spinulifera
Caption: Ventral view
Species: Loricariichthys anus
Caption: Ventral view
Species: Nannoptopoma sternoptychum
Caption: Ventral view
Species: Nannoxyropsis acicula
Caption: Ventral view
Species: Nannoxyropsis ephippia
Caption: Ventral view
Species: Neblinichthys echinasus
Caption: Ventral view
Species: Otocinclus batmani
Caption: Ventral view
Species: Otocinclus flexilis
Caption: Ventral view
Species: Otocinclus huaorani
Caption: Ventral view
Species: Otocinclus vittatus
Caption: Ventral view
Species: Otothyris lophophanes
Caption: Ventral view
Species: Panaqolus gnomus
Caption: Ventral view
Species: Panaqolus gnomus
Caption: Ventral view
Species: Panaqolus maccus
Caption: Ventral view
Species: Panaqolus nix
Caption: Ventral view
Species: Panaqolus sp. (1)
Caption: Ventral view
Species: Panaqolus sp. (L002)
Caption: Ventral view
Species: Panaqolus sp. (L169)
Caption: Ventral view
Species: Panaqolus sp. (L397)
Caption: Ventral view
Species: Panaqolus sp. (L397)
Caption: Ventral view
Species: Panaqolus sp. (L403)
Caption: Ventral view
Species: Panaqolus sp. (L458)
Caption: Ventral view
Species: Panaqolus sp. (L460)
Caption: Ventral view
Species: Panaqolus sp. (L465)
Caption: Ventral view
Species: Panaqolus sp. (L466)
Caption: Ventral view
Species: Panaqolus sp. (L468)
Caption: Ventral view
Species: Panaqolus sp. (L469)
Caption: Ventral view
Species: Panaqolus sp. (L469)
Caption: Ventral view
Species: Panaqolus sp. (L482)
Caption: Ventral view
Species: Panaque bathyphilus
Caption: Ventral view
Species: Panaque cf. cochliodon`upper magdalena`
Caption: Ventral view
Species: Panaque cf. cochliodon`upper magdalena`
Caption: Ventral view
Species: Panaque nigrolineatus laurafabianae
Caption: Ventral view
Species: Panaque schaeferi
Caption: Ventral view
Species: Paralithoxus bovallii
Caption: Ventral view
Species: Paralithoxus planquettei
Caption: Ventral view
Species: Parancistrus aurantiacus
Caption: Ventral view
Species: Pareiorhaphis bahiana
Caption: Ventral view
Species: Pareiorhaphis cameroni
Caption: Ventral view
Species: Pareiorhaphis hystrix
Caption: Ventral view
Species: Pareiorhaphis scutula
Caption: Ventral view
Species: Parotocinclus adamanteus
Caption: Ventral view
Species: Parotocinclus bahiensis
Caption: Ventral view
Species: Parotocinclus britskii
Caption: Ventral view
Species: Parotocinclus britskii
Caption: Ventral view
Species: Parotocinclus doceanus
Caption: Ventral view
Species: Parotocinclus jacumirim
Caption: Ventral view
Species: Parotocinclus jimi
Caption: Ventral view
Species: Parotocinclus maculicauda
Caption: Ventral view
Species: Parotocinclus maculicauda
Caption: Ventral view
Species: Parotocinclus spilosoma
Caption: Ventral view
Species: Paulasquama callis
Caption: Ventral view
Species: Peckoltia brevis
Caption: Ventral view
Species: Peckoltia compta
Caption: Ventral view
Species: Peckoltia ephippiata
Caption: Ventral view
Species: Peckoltia furcata
Caption: Ventral view
Species: Peckoltia greedoi
Caption: Ventral view
Species: Peckoltia lujani
Caption: Ventral view
Species: Peckoltia pankimpuju
Caption: Ventral view
Species: Peckoltia pankimpuju
Caption: Ventral view
Species: Peckoltia relictum
Caption: Ventral view
Species: Peckoltia sp. (L205)
Caption: Ventral view
Species: Peckoltia sp. (L288)
Caption: Ventral view
Species: Peckoltia sp. `RIO NEGRO`
Caption: Ventral view
Species: Peckoltia vittata
Caption: Ventral view
Species: Peckoltia wernekei
Caption: Ventral view
Species: Planiloricaria cryptodon
Caption: Ventral view
Species: Planiloricaria cryptodon
Caption: Ventral view
Species: Pseudacanthicus cf. spinosus
Caption: Ventral view
Species: Pseudacanthicus fordii
Caption: Ventral view
Species: Pseudacanthicus leopardus
Caption: Ventral view
Species: Pseudancistrus guentheri
Caption: Ventral view
Species: Pseudancistrus kayabi
Caption: Ventral view
Species: Pseudancistrus kwinti
Caption: Ventral view
Species: Pseudancistrus sp. (L491)
Caption: Ventral view
Species: Pseudohemiodon sp. `AMAZONAS VENEZUELA`
Caption: Ventral view
Species: Pseudohemiodon sp. `MARBLED`
Caption: Ventral view
Species: Pseudohemiodon sp. `PARAGUAY`
Caption: Ventral view
Species: Pseudolithoxus dumus
Caption: Ventral view
Species: Pseudolithoxus kelsorum
Caption: Ventral view
Species: Pseudolithoxus nicoi
Caption: Ventral view
Species: Pterygoplichthys joselimaianus
Caption: Ventral view
Species: Pterygoplichthys joselimaianus
Caption: Ventral view
Species: Pterygoplichthys lituratus
Caption: Ventral view
Species: Pterygoplichthys parnaibae
Caption: Ventral view
Species: Pterygoplichthys scrophus
Caption: Ventral view
Species: Pterygoplichthys sp. (L472)
Caption: Ventral view
Species: Pterygoplichthys weberi
Caption: Ventral view
Species: Pterygoplichthys weberi
Caption: Ventral view
Species: Pyxiloricaria menezesi
Caption: Ventral view
Species: Rhadinoloricaria ommation
Caption: Ventral view
Species: Rhinelepis strigosa
Caption: Ventral view
Species: Rhinolekos britskii
Caption: Ventral view
Species: Rhinolekos capetinga
Caption: Ventral view
Species: Rhinolekos garavelloi
Caption: Ventral view
Species: Rhinolekos schaeferi
Caption: Ventral view
Species: Rineloricaria aequalicuspis
Caption: Ventral view
Species: Rineloricaria baliola
Caption: Ventral view
Species: Rineloricaria cacerensis
Caption: Ventral view
Species: Rineloricaria cadeae
Caption: Ventral view
Species: Rineloricaria eigenmanni
Caption: Ventral view
Species: Rineloricaria felipponei
Caption: Ventral view
Species: Rineloricaria formosa
Caption: Ventral view
Species: Rineloricaria heteroptera
Caption: Ventral view
Species: Rineloricaria jurupari
Caption: Ventral view
Species: Rineloricaria longicauda
Caption: Ventral view
Species: Rineloricaria malabarbai
Caption: Ventral view
Species: Rineloricaria misionera
Caption: Ventral view
Species: Rineloricaria pareiacantha
Caption: Ventral view
Species: Rineloricaria sp. (7)
Caption: Ventral view
Species: Rineloricaria strigilata
Caption: Ventral view
Species: Rineloricaria thrissoceps
Caption: Ventral view
Species: Scobinancistrus cf. pariolispos
Caption: Ventral view
Species: Scobinancistrus sp. (L082)
Caption: Ventral view
Species: Soromonichthys stearleyi
Caption: Ventral view
Species: Spatuloricaria caquetae
Caption: Ventral view
Species: Sturisoma robustum
Caption: Ventral view
Species: Sturisomatichthys aureus
Caption: Ventral view
Species: Sturisomatichthys caquetae
Caption: Ventral view
Species: Sturisomatichthys citurensis
Caption: Ventral view
Species: Sturisomatichthys festivus
Caption: Ventral view
Species: Sturisomatichthys kneri
Caption: Ventral view
Species: Sturisomatichthys tamanae
Caption: Ventral view
Species: Transancistrus santarosensis
Caption: Ventral view
Species: Yaluwak primus
Caption: Ventral view
Species: Atopochilus sp. (1)
Caption: Ventral view
Species: Atopodontus adriaensi
Caption: Ventral view
Species: Atopodontus adriaensi
Caption: Ventral view
Species: Chiloglanis anoterus
Caption: Ventral view
Species: Chiloglanis camarabounyi
Caption: Ventral view
Species: Chiloglanis dialloi
Caption: Ventral view
Species: Chiloglanis kabaensis
Caption: Ventral view
Species: Chiloglanis kolente
Caption: Ventral view
Species: Chiloglanis loffabrevum
Caption: Ventral view
Species: Chiloglanis longibarbis
Caption: Ventral view
Species: Chiloglanis nzerekore
Caption: Ventral view
Species: Chiloglanis pezoldi
Caption: Ventral view
Species: Chiloglanis pretoriae
Caption: Ventral view
Species: Chiloglanis sp. (1)
Caption: Ventral view
Species: Chiloglanis tweddlei
Caption: Ventral view
Species: Chiloglanis waterloti
Caption: Ventral view
Species: Euchilichthys guentheri
Caption: Ventral view
Species: Euchilichthys guentheri
Caption: Ventral view
Species: Synodontis acanthomias
Caption: Ventral view
Species: Synodontis acanthoperca
Caption: Ventral view
Species: Synodontis annectens
Caption: Ventral view
Species: Synodontis ansorgii
Caption: Ventral view
Species: Synodontis batensoda
Caption: Ventral view
Species: Synodontis batesii
Caption: Ventral view
Species: Synodontis dhonti
Caption: Ventral view
Species: Synodontis fuelleborni
Caption: Ventral view
Species: Synodontis grandiops
Caption: Ventral view
Species: Synodontis granulosus
Caption: Ventral view
Species: Synodontis laessoei
Caption: Ventral view
Species: Synodontis macrops
Caption: Ventral view
Species: Synodontis macrostigma
Caption: Ventral view
Species: Synodontis macrostoma
Caption: Ventral view
Species: Synodontis matthesi
Caption: Ventral view
Species: Synodontis melanopterus
Caption: Ventral view
Species: Synodontis nebulosus
Caption: Ventral view
Species: Synodontis notatus
Caption: Ventral view
Species: Synodontis orientalis
Caption: Ventral view
Species: Synodontis petricola
Caption: Ventral view
Species: Synodontis punctulatus
Caption: Ventral view
Species: Synodontis resupinatus
Caption: Ventral view
Species: Synodontis soloni
Caption: Ventral view
Species: Synodontis sp. hybrid(1)
Caption: Ventral view
Species: Synodontis steindachneri
Caption: Ventral view
Species: Synodontis tessmanni
Caption: Ventral view
Species: Synodontis tessmanni
Caption: Ventral view
Species: Synodontis vanderwaali
Caption: Ventral view
Species: Synodontis waterloti
Caption: Ventral view
Species: Synodontis woosnami
Caption: Ventral view
Species: Synodontis zanzibaricus
Caption: Ventral view
Species: Phreatobius dracunculus
Caption: Ventral view
Species: Pimelodus fur
Caption: Ventral view
Species: Pimelodus pictus
Caption: Ventral view
Species: Propimelodus araguayae
Caption: Ventral view
Species: Sorubim maniradii
Caption: Ventral view
Species: Zungaro zungaro
Caption: Ventral view
Species: Plotosus abbreviatus
Caption: Ventral view
Species: Plotosus papuensis
Caption: Ventral view
Species: Batrochoglanis acanthochiroides
Caption: Ventral view
Species: Batrochoglanis transmontanus
Caption: Ventral view
Species: Cruciglanis pacifici
Caption: Ventral view
Species: Microglanis berbixae
Caption: Ventral view
Species: Microglanis nigrolineatus
Caption: Ventral view
Species: Microglanis variegatus
Caption: Ventral view
Species: Parailia somalensis
Caption: Ventral view
Species: Schilbe uranoscopus
Caption: Ventral view
Species: Kryptopterus mononema
Caption: Ventral view
Species: Kryptopterus palembangensis
Caption: Ventral view
Species: Ompok hypophthalmus
Caption: Ventral view
Species: Ompok supernus
Caption: Ventral view
Species: Pterocryptis gangelica
Caption: Ventral view
Species: Pterocryptis wynaadensis
Caption: Ventral view
Species: Silurichthys ligneolus
Caption: Ventral view
Species: Silurus grahami
Caption: Ventral view
Species: Silurus mento
Caption: Ventral view
Species: Caelatoglanis zonatus
Caption: Ventral view
Species: Creteuchiloglanis bumdelingensis
Caption: Ventral view
Species: Creteuchiloglanis gongshanensis
Caption: Ventral view
Species: Creteuchiloglanis macropterus
Caption: Ventral view
Species: Erethistoides longispinis
Caption: Ventral view
Species: Erethistoides luteola
Caption: Ventral view
Species: Erethistoides vescula
Caption: Ventral view
Species: Exostoma berdmorei
Caption: Ventral view
Species: Exostoma gaoligongense
Caption: Ventral view
Species: Exostoma mangdechhuense
Caption: Ventral view
Species: Exostoma tenuicaudatum
Caption: Ventral view
Species: Exostoma vinciguerrae
Caption: Ventral view
Species: Glaridoglanis andersonii
Caption: Ventral view
Species: Glyptosternon oschanini
Caption: Ventral view
Species: Glyptosternon oschanini
Caption: Ventral view
Species: Glyptothorax anamalaiensis
Caption: Ventral view
Species: Glyptothorax annandalei
Caption: Ventral view
Species: Glyptothorax cavia
Caption: Ventral view
Species: Glyptothorax chavomensis
Caption: Ventral view
Species: Glyptothorax cous
Caption: Ventral view
Species: Glyptothorax filicatus
Caption: Ventral view
Species: Glyptothorax kashmirensis
Caption: Ventral view
Species: Glyptothorax ketambe
Caption: Ventral view
Species: Glyptothorax laosensis
Caption: Ventral view
Species: Glyptothorax maceriatus
Caption: Ventral view
Species: Glyptothorax malabarensis
Caption: Ventral view
Species: Glyptothorax malabarensis
Caption: Ventral view
Species: Glyptothorax nieuwenhuisi
Caption: Ventral view
Species: Glyptothorax plectilis
Caption: Ventral view
Species: Glyptothorax scrobiculus
Caption: Ventral view
Species: Glyptothorax scrobiculus
Caption: Ventral view
Species: Glyptothorax strabonis
Caption: Ventral view
Species: Glyptothorax striatus
Caption: Ventral view
Species: Gogangra viridescens
Caption: Ventral view
Species: Myersglanis blythii
Caption: Ventral view
Species: Oreoglanis colurus
Caption: Ventral view
Species: Oreoglanis heteropogon
Caption: Ventral view
Species: Oreoglanis laciniosa
Caption: Ventral view
Species: Oreoglanis macroptera
Caption: Ventral view
Species: Oreoglanis macroptera
Caption: Ventral view
Species: Oreoglanis nakasathiani
Caption: Ventral view
Species: Oreoglanis nakasathiani
Caption: Ventral view
Species: Oreoglanis sudarai
Caption: Ventral view
Species: Oreoglanis suraswadii
Caption: Ventral view
Species: Oreoglanis tenuicauda
Caption: Ventral view
Species: Oreoglanis vicina
Caption: Ventral view
Species: Parachiloglanis benjii
Caption: Ventral view
Species: Parachiloglanis bhutanensis
Caption: Ventral view
Species: Parachiloglanis bhutanensis
Caption: Ventral view
Species: Parachiloglanis drukyulensis
Caption: Ventral view
Species: Pareuchiloglanis gracilicaudata
Caption: Ventral view
Species: Pareuchiloglanis rhabdura
Caption: Ventral view
Species: Pseudecheneis brachyura
Caption: Ventral view
Species: Pseudecheneis brachyura
Caption: Ventral view
Species: Pseudecheneis eddsi
Caption: Ventral view
Species: Pseudecheneis intermedius
Caption: Ventral view
Species: Pseudecheneis longipectoralis
Caption: Ventral view
Species: Pseudecheneis sulcata
Caption: Ventral view
Species: Pseudecheneis sympelvica
Caption: Ventral view
Species: Pseudolaguvia austrina
Caption: Ventral view
Species: Pseudolaguvia foveolata
Caption: Ventral view
Species: Pseudolaguvia ribeiroi
Caption: Ventral view
Species: Pseudolaguvia spicula
Caption: Ventral view
Species: Pseudolaguvia virgulata
Caption: Ventral view
Species: Ammoglanis natgeorum
Caption: Ventral view
Species: Cambeva ytororo
Caption: Ventral view
Species: Pseudostegophilus maculatus
Caption: Ventral view
Species: Stegophilus insidiosus
Caption: Ventral view
Species: Trichomycterus bomboizanus
Caption: Ventral view
Species: Trichomycterus borellii
Caption: Ventral view
Species: Trichomycterus brasiliensis
Caption: Ventral view
Species: Trichomycterus migrans
Caption: Ventral view
Species: Trichomycterus romeroi
Caption: Ventral view
Species: Trichomycterus spegazzinii
Caption: Ventral view
Species: Trichomycterus spilosoma
Caption: Ventral view
Species: Ancistrus dolichopterus
Caption: Ventral view - juvenile
Species: Peckoltia compta
Caption: Ventral view - may be spotted or not
Species: Hypancistrus zebra
Caption: Ventral view - note small mouth
Species: Panaqolus sp. `ACRE`
Caption: Ventral view - Rio Amonia near the Brazilian town of Marechal Taumaturgo
Species: Hypancistrus zebra
Caption: Ventral view - ten day old fry
Species: Pterygoplichthys gibbiceps
Caption: Ventral view (albino)
Species: Megalechis thoracata
Caption: Ventral view (female)
Species: Baryancistrus xanthellus
Caption: Ventral view (female)
Species: Panaqolus maccus
Caption: Ventral view (female)
Species: Pseudohemiodon sp. `MARBLED`
Caption: Ventral view (female)
Species: Pseudacanthicus leopardus
Caption: Ventral view (gravid female)
Species: Ancistrus sp. (L393)
Caption: Ventral view (male)
Species: Hypancistrus furunculus
Caption: Ventral view (male)
Species: Pseudohemiodon sp. `MARBLED`
Caption: Ventral view (male)
Species: Farlowella acus
Caption: Ventral view detailing belly scutes arrangement
Species: Farlowella acus
Caption: Ventral view detailing belly scutes arrangement
Species: Sturisomatichthys aureus
Caption: Ventral view illustrating scutes
Species: Hypancistrus sp. (L236)
Caption: Ventral view of 2 cm juvenile
Species: Panaqolus albivermis
Caption: Ventral view of adult
Species: Bagre urumacoensis
Caption: Ventral view of broken neurocranium
Species: Hemibagrus microphthalmus
Caption: Ventral view of female
Species: Brochiloricaria chauliodon
Caption: Ventral view of female
Species: Loricariichthys anus
Caption: Ventral view of female
Species: Spectracanthicus zuanoni
Caption: Ventral view of female
Species: Farlowella platorynchus
Caption: Ventral view of fry
Species: Leporacanthicus cf. galaxias(l240)
Caption: Ventral view of fry
Species: Auchenipterichthys punctatus
Caption: Ventral view of head
Species: Dentectus barbarmatus
Caption: Ventral view of head
Species: Hemiancistrus punctulatus
Caption: Ventral view of head
Species: Hypancistrus inspector
Caption: Ventral view of head
Species: Hypancistrus sp. (L173)
Caption: Ventral view of head
Species: Hypancistrus sp. (L236)
Caption: Ventral view of head
Species: Hypancistrus sp. (L260)
Caption: Ventral view of head
Species: Hypancistrus sp. (L500)
Caption: Ventral view of head
Species: Panaqolus claustellifer
Caption: Ventral view of head
Species: Panaqolus nocturnus
Caption: Ventral view of head
Species: Peckoltia sp. (L140)
Caption: Ventral view of head
Species: Spatuloricaria sp. `RIO SAN ALEJANDRO`
Caption: Ventral view of head
Species: Spectracanthicus murinus
Caption: Ventral view of head
Species: Synodontis velifer
Caption: Ventral view of head
Species: Brachyplatystoma capapretum
Caption: Ventral view of head
Species: Iheringichthys syi
Caption: Ventral view of head
Species: Hemibagrus divaricatus
Caption: Ventral view of holotype
Species: Hemibagrus lacustrinus
Caption: Ventral view of holotype
Species: Hemibagrus semotus
Caption: Ventral view of holotype
Species: Mystus zeylanicus
Caption: Ventral view of holotype
Species: Pseudomystus bomboides
Caption: Ventral view of holotype
Species: Ancistrus formoso
Caption: Ventral view of holotype
Species: Pseudancistrus reus
Caption: Ventral view of holotype
Species: Transancistrus santarosensis
Caption: Ventral view of holotype
Species: Ompok karunkodu
Caption: Ventral view of holotype
Species: Conta pectinata
Caption: Ventral view of holotype
Species: Erethistes longissimus
Caption: Ventral view of holotype
Species: Exostoma effrenum
Caption: Ventral view of holotype
Species: Exostoma ericinum
Caption: Ventral view of holotype
Species: Exostoma peregrinator
Caption: Ventral view of holotype
Species: Glyptothorax decussatus
Caption: Ventral view of holotype
Species: Glyptothorax famelicus
Caption: Ventral view of holotype
Species: Glyptothorax forabilis
Caption: Ventral view of holotype
Species: Glyptothorax keluk
Caption: Ventral view of holotype
Species: Glyptothorax pictus
Caption: Ventral view of holotype
Species: Glyptothorax porrectus
Caption: Ventral view of holotype
Species: Glyptothorax radiolus
Caption: Ventral view of holotype
Species: Gogangra laevis
Caption: Ventral view of holotype
Species: Pseudolaguvia assula
Caption: Ventral view of holotype
Species: Pseudolaguvia fucosa
Caption: Ventral view of holotype
Species: Pseudolaguvia inornata
Caption: Ventral view of holotype
Species: Pseudolaguvia nubila
Caption: Ventral view of holotype
Species: Pseudolaguvia viriosa
Caption: Ventral view of holotype
Species: Chiloglanis igamba
Caption: Ventral view of holotype.
Species: Chiloglanis kazumbei
Caption: Ventral view of holotype.
Species: Chiloglanis orthodontus
Caption: Ventral view of holotype.
Species: Peckoltia sp. (L076)
Caption: Ventral view of juveniles
Species: Brochiloricaria chauliodon
Caption: Ventral view of male
Species: Panaqolus albomaculatus
Caption: Ventral view of male
Species: Rineloricaria aff. latirostris
Caption: Ventral view of male
Species: Spectracanthicus zuanoni
Caption: Ventral view of male
Species: Sturisomatichthys reinae
Caption: Ventral view of male
Species: Sturisomatichthys reinae
Caption: Ventral view of male's bristles
Species: Astroblepus sp. (2)
Caption: Ventral view of mouth
Species: Chaetostoma platyrhynchus
Caption: Ventral view of mouth
Species: Hypostomus sp. (L087)
Caption: Ventral view of mouth
Species: Hypostomus sp. (L346)
Caption: Ventral view of mouth
Species: Pseudohemiodon sp. `PERU I`
Caption: Ventral view of mouth
Species: Synodontis aterrimus
Caption: Ventral view of mouth
Species: Pareuchiloglanis cf. longicauda
Caption: Ventral view of mouth
Species: Ariopsis ariopsilus
Caption: Ventral view of neurocranium and nuchal plate
Species: Sciades latissimum
Caption: Ventral view of neurocranium and nuchal plate
Species: Sciades peregrinus
Caption: Ventral view of neurocranium and nuchal plate
Species: Glyptothorax distichus
Caption: Ventral view of pectoral spine
Species: Pseudomystus heokhuii
Caption: Ventral view of preserved specimen
Species: Synodontis zambezensis
Caption: Ventral view of preserved specimen
Species: Leiarius perruno
Caption: Ventral view of preserved specimen
Species: Erethistes jerdoni
Caption: Ventral view of skeleton
Species: Chaetostoma formosae
Caption: Ventral view of upper body
Species: Farlowella paraguayensis
Caption: Ventral view of upper body
Species: Pseudacanthicus sp. (L343)
Caption: Ventral view of upper body
Species: Pseudoloricaria laeviuscula
Caption: Ventral view of upper body
Species: Pseudoloricaria laeviuscula
Caption: Ventral view of upper body
Species: Rineloricaria sp. (2)
Caption: Ventral view of upper body
Species: Spatuloricaria tuira
Caption: Ventral view of upper body
Species: Synodontis violaceus
Caption: Ventral view of upper body
Species: Rineloricaria aff. latirostris
Caption: Ventral view of upper body of female
Species: Rineloricaria aff. latirostris
Caption: Ventral view of upper body of male
Species: Rineloricaria eigenmanni
Caption: Ventral view showing key ID features.
Species: Acestridium scutatum
Caption: Ventral view showing plates
Species: Acestridium scutatum
Caption: Ventral view showing plates
Species: Acestridium dichromum
Caption: Ventral view showing preanal plate
Species: Pterygoplichthys disjunctivus
Caption: Ventral view showing reticulated pattern
Species: Otocinclus vittatus
Caption: Ventral view showing yellow eggs
Species: Pimelodus albicans
Caption: Ventral view three year old - 360mm SL
Species: Panaque sp. (L191)
Caption: Ventral view, 32 cm TL, unsexed
Species: Ancistrus dolichopterus
Caption: Ventral view, female
Species: Hemibagrus capitulum
Caption: Ventral view, holotype of Hemibagrus chrysops
Species: Pseudancistrus kwinti
Caption: Ventral view, male
Species: Auchenipterichthys coracoideus
Caption: Ventral view, showing shape of pectoral girdle
Species: Glyptothorax schmidti
Caption: Ventral view, showing thoracic adhesive apparatus
Species: Chaetostoma platyrhynchus
Caption: Ventral view; Florencia, Rio Caqueta basin
Species: Exostoma sawmteai
Caption: Ventral view.
Species: Acanthicus hystrix
Caption: Ventral view. Rio Tocantins, near town of Estreito, Maranhão state, Brazil
Species: Synodontis nigriventris
Caption: Zebra Kutu variant-ventral view