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Species: Microglanis cottoides
Caption: M. cibelae. PEVA, RS, Brazil
Species: Mystus cavasius
Caption: M.cavasius (above) and M.seengtee (below).
Species: Mystus cavasius
Caption: M.cavasius (above) and M.seengtee (below).
Species: Mystus cavasius
Caption: M.cavasius (right) and M.seengtee (left).
Species: Mystus seengtee
Caption: Madras
Species: Mystus seengtee
Caption: Madras
Species: Mystus vittatus
Caption: Madras
Species: Osteogeneiosus militaris
Caption: Mahakam River, East Kalimantan, Indonesia
Species: Amblyceps laticeps
Caption: Male
Species: Liobagrus marginatus
Caption: Male
Species: Bunocephalus coracoideus
Caption: Male
Species: Bunocephalus coracoideus
Caption: Male
Species: Platystacus cotylephorus
Caption: Male
Species: Platystacus cotylephorus
Caption: Male
Species: Ageneiosus polystictus
Caption: Male
Species: Auchenipterichthys coracoideus
Caption: Male
Species: Duringlanis altae
Caption: Male
Species: Duringlanis altae
Caption: Male
Species: Duringlanis perugiae
Caption: Male
Species: Duringlanis perugiae
Caption: Male
Species: Entomocorus gameroi
Caption: Male
Species: Entomocorus gameroi
Caption: Male
Species: Entomocorus gameroi
Caption: Male
Species: Entomocorus gameroi
Caption: Male
Species: Glanidium botocudo
Caption: Male
Species: Tatia concolor
Caption: Male
Species: Tatia dunni
Caption: Male
Species: Tatia dunni
Caption: Male
Species: Tatia gyrina
Caption: Male
Species: Tatia intermedia
Caption: Male
Species: Tatia strigata
Caption: Male
Species: Tatia strigata
Caption: male
Species: Tetranematichthys quadrifilis
Caption: Male
Species: Trachelyichthys exilis
Caption: Male
Species: Trachelyichthys exilis
Caption: Male
Species: Trachelyichthys exilis
Caption: Male
Species: Trachelyichthys exilis
Caption: Male
Species: Trachelyichthys exilis
Caption: Male
Species: Trachelyopterus fisheri
Caption: Male
Species: Trachelyopterus fisheri
Caption: Male
Species: Bagrichthys macracanthus
Caption: Male
Species: Mystus carcio
Caption: Male
Species: Mystus vittatus
Caption: Male
Species: Corydoras(ln1) sp. (Cw124)
Caption: Male
Species: Corydoras(ln4) guapore
Caption: Male
Species: Corydoras(ln5) napoensis
Caption: Male
Species: Corydoras(ln5) sp. (C089)
Caption: Male
Species: Corydoras(ln5) sp. (C123)
Caption: Male
Species: Corydoras(ln5) sp. (Cw008)
Caption: Male
Species: Corydoras(ln5) sp. (Cw018)
Caption: Male
Species: Corydoras(ln5) sp. (Cw048)
Caption: Male
Species: Corydoras(ln5) sp. (Cw105)
Caption: Male
Species: Corydoras(ln5) undulatus
Caption: Male
Species: Corydoras(ln5) undulatus
Caption: Male
Species: Corydoras(ln6) paleatus
Caption: Male
Species: Corydoras(ln6) paleatus
Caption: Male
Species: Corydoras(ln6) tukano
Caption: Male
Species: Corydoras(ln8sc3) geryi
Caption: Male
Species: Corydoras(ln8sc3) geryi
Caption: Male
Species: Corydoras(ln8sc3) pantanalensis
Caption: Male
Species: Corydoras(ln8sc3) pantanalensis
Caption: Male
Species: Corydoras(ln8sc4) sp. (C141)
Caption: Male
Species: Corydoras(ln9) baderi
Caption: Male
Species: Corydoras(ln9) boesemani
Caption: Male
Species: Corydoras(ln9) caudimaculatus
Caption: Male
Species: Corydoras(ln9) concolor
Caption: Male
Species: Corydoras(ln9) concolor
Caption: Male
Species: Corydoras(ln9) loretoensis
Caption: Male
Species: Corydoras(ln9) similis
Caption: Male
Species: Corydoras(ln9) sp. (C054)
Caption: Male
Species: Corydoras(ln9) sp. (Cw069)
Caption: Male
Species: Corydoras(ln9) sp. (Cw111)
Caption: Male
Species: Corydoras(ln9) sp. (Cw112)
Caption: Male
Species: Corydoras(ln9) sp. (Cw140)
Caption: Male
Species: Hoplosternum littorale
Caption: Male
Species: Hoplosternum magdalenae
Caption: Male
Species: Hoplosternum punctatum
Caption: Male
Species: Megalechis picta
Caption: Male
Species: Megalechis picta
Caption: Male
Species: Megalechis picta
Caption: Male
Species: Megalechis thoracata
Caption: Male
Species: Scleromystax barbatus
Caption: Male
Species: Scleromystax barbatus
Caption: Male
Species: Scleromystax kronei
Caption: Male
Species: Scleromystax kronei
Caption: Male
Species: Scleromystax kronei
Caption: Male
Species: Scleromystax lacerdai
Caption: Male
Species: Scleromystax macropterus
Caption: Male
Species: Scleromystax macropterus
Caption: Male
Species: Scleromystax prionotos
Caption: Male
Species: Scleromystax sp. (C112)
Caption: Male
Species: Scleromystax sp. (C112)
Caption: Male
Species: Scleromystax sp. (Cw038)
Caption: Male
Species: Scleromystax sp. (Cw038)
Caption: Male
Species: Scleromystax sp. (Cw038)
Caption: Male
Species: Scleromystax sp. (Cw067)
Caption: Male
Species: Scleromystax sp. (Cw147)
Caption: Male
Species: Cetopsidium soniae
Caption: Male
Species: Cetopsis orinoco
Caption: Male
Species: Cetopsis orinoco
Caption: Male
Species: Cetopsis sandrae
Caption: Male
Species: Cetopsis umbrosa
Caption: Male
Species: Clarias batrachus
Caption: Male
Species: Chrysichthys brachynema
Caption: Male
Species: Lophiobagrus brevispinis
Caption: Male
Species: Lophiobagrus brevispinis
Caption: Male
Species: Lophiobagrus brevispinis
Caption: Male
Species: Parauchenoglanis ngamensis
Caption: Male
Species: Parauchenoglanis ngamensis
Caption: Male
Species: Parauchenoglanis ngamensis
Caption: Male
Species: Parauchenoglanis ngamensis
Caption: Male
Species: Parauchenoglanis pantherinus
Caption: Male
Species: Parauchenoglanis pantherinus
Caption: Male
Species: Parauchenoglanis pantherinus
Caption: Male
Species: Parauchenoglanis pantherinus
Caption: Male
Species: Parauchenoglanis pantherinus
Caption: Male
Species: Amblydoras nauticus
Caption: Male
Species: Amblydoras nauticus
Caption: Male
Species: Platydoras armatulus
Caption: Male
Species: Brachyrhamdia sp. (1)
Caption: Male
Species: Ancistrus cf. cirrhosus
Caption: Male
Species: Ancistrus cf. cirrhosus
Caption: Male
Species: Ancistrus cirrhosus
Caption: Male
Species: Ancistrus claro
Caption: Male
Species: Ancistrus claro
Caption: Male
Species: Ancistrus falconensis
Caption: Male
Species: Ancistrus ranunculus
Caption: Male
Species: Ancistrus sp. (4)
Caption: Male
Species: Ancistrus sp. (5)
Caption: Male
Species: Ancistrus sp. (L088)
Caption: Male
Species: Ancistrus sp. (L107)
Caption: Male
Species: Ancistrus sp. (L325)
Caption: Male
Species: Ancistrus sp. (L509)
Caption: Male
Species: Ancistrus sp. `RIO CHIRGUA`
Caption: Male
Species: Ancistrus sp. `RIO TOCANTINS`
Caption: Male
Species: Ancistrus stigmaticus
Caption: Male
Species: Ancistrus trinitatis
Caption: Male
Species: Baryancistrus sp. (L142)
Caption: Male
Species: Brochiloricaria chauliodon
Caption: Male
Species: Chaetostoma sp. (L455)
Caption: Male
Species: Corymbophanes ameliae
Caption: Male
Species: Farlowella platorynchus
Caption: Male
Species: Farlowella platorynchus
Caption: Male
Species: Farlowella platorynchus
Caption: Male
Species: Hemiancistrus sp. (L128)
Caption: Male
Species: Hemiancistrus sp. (L128)
Caption: Male
Species: Hemiancistrus sp. (L128)
Caption: Male
Species: Hemiancistrus sp. (L128)
Caption: Male
Species: Hemiancistrus sp. (L128)
Caption: Male
Species: Hemiancistrus subviridis
Caption: Male
Species: Hisonotus aky
Caption: Male
Species: Hypancistrus debilittera
Caption: Male
Species: Hypancistrus sp. (L004)
Caption: Male
Species: Hypancistrus sp. (L066)
Caption: Male
Species: Hypancistrus sp. (L066)
Caption: Male
Species: Hypancistrus sp. (L173)
Caption: Male
Species: Hypancistrus sp. (L173)
Caption: Male
Species: Hypancistrus sp. (L173)
Caption: Male
Species: Hypancistrus sp. (L236)
Caption: Male
Species: Hypancistrus sp. (L260)
Caption: Male
Species: Hypancistrus sp. (L316)
Caption: Male
Species: Hypancistrus sp. (L316)
Caption: Male
Species: Hypancistrus sp. (L316)
Caption: Male
Species: Hypancistrus sp. (L333)
Caption: Male
Species: Hypancistrus sp. (L333)
Caption: Male
Species: Hypancistrus sp. (L471)
Caption: Male
Species: Lamontichthys filamentosus
Caption: Male
Species: Leporacanthicus cf. galaxias(l241)
Caption: Male
Species: Leporacanthicus cf. galaxias`venezuela`
Caption: Male
Species: Leporacanthicus triactis
Caption: Male
Species: Loricaria simillima
Caption: Male
Species: Neoplecostomus microps
Caption: Male
Species: Otocinclus cocama
Caption: Male
Species: Otocinclus flexilis
Caption: Male
Species: Panaqolus albivermis
Caption: Male
Species: Panaqolus albivermis
Caption: Male
Species: Panaqolus changae
Caption: Male
Species: Panaqolus maccus
Caption: Male
Species: Panaqolus sp. (L403)
Caption: Male
Species: Pareiorhaphis bahiana
Caption: Male
Species: Peckoltia braueri
Caption: Male
Species: Peckoltia lineola
Caption: Male
Species: Peckoltia lujani
Caption: Male
Species: Peckoltia sp. (L038)
Caption: Male
Species: Peckoltia sp. (L076)
Caption: Male
Species: Peckoltia sp. (L080)
Caption: Male
Species: Peckoltia sp. (L205)
Caption: Male
Species: Peckoltia sp. (L205)
Caption: Male
Species: Peckoltia sp. (L205)
Caption: Male
Species: Peckoltia sp. (L265)
Caption: Male
Species: Peckoltia sp. `RIO TOCANTINS`
Caption: Male
Species: Pseudacanthicus pitanga
Caption: Male
Species: Pseudacanthicus pitanga
Caption: Male
Species: Pseudacanthicus spinosus
Caption: Male
Species: Pterygoplichthys disjunctivus
Caption: Male
Species: Rineloricaria aff. latirostris
Caption: Male
Species: Rineloricaria eigenmanni
Caption: Male
Species: Rineloricaria eigenmanni
Caption: Male
Species: Rineloricaria fallax
Caption: Male
Species: Rineloricaria lanceolata
Caption: Male
Species: Rineloricaria lanceolata
Caption: Male
Species: Rineloricaria melini
Caption: Male
Species: Rineloricaria sp. (7)
Caption: Male
Species: Rineloricaria sp. (7)
Caption: Male
Species: Rineloricaria sp. (7)
Caption: Male
Species: Rineloricaria sp. (L010A)
Caption: Male
Species: Rineloricaria sp. (L042)
Caption: Male
Species: Rineloricaria sp. `BARCELOS`
Caption: Male
Species: Scobinancistrus aureatus
Caption: Male
Species: Scobinancistrus sp. (L253)
Caption: Male
Species: Scobinancistrus sp. (L253)
Caption: Male
Species: Spatuloricaria caquetae
Caption: Male
Species: Spectracanthicus zuanoni
Caption: Male
Species: Sturisomatichthys reinae
Caption: Male
Species: Microsynodontis sp. (1)
Caption: Male
Species: Synodontis multipunctatus
Caption: Male
Species: Synodontis nigriventris
Caption: Male
Species: Synodontis notatus
Caption: Male
Species: Synodontis pleurops
Caption: Male
Species: Pseudopimelodus bufonius
Caption: Male
Species: Pareutropius buffei
Caption: Male
Species: Pareutropius buffei
Caption: Male
Species: Schilbe intermedius
Caption: Male
Species: Erethistes horai
Caption: male
Species: Rineloricaria teffeana
Caption: Male - close-up of head
Species: Scobinancistrus sp. (L253)
Caption: Male - close-up of head
Species: Chaetostoma formosae
Caption: Male - close-up of ventral view
Species: Peckoltia sp. (L140)
Caption: Male - dorsal view
Species: Rineloricaria langei
Caption: Male - dorsal view
Species: Rineloricaria maacki
Caption: Male - dorsal view
Species: Rineloricaria langei
Caption: Male - lateral view
Species: Rineloricaria maacki
Caption: Male - lateral view
Species: Rineloricaria latirostris
Caption: Male - orange colour morph
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: Ancistrus cf. cirrhosus
Caption: Male - wild caught - possibly the original species or at least one of those involved?
Species: Loricaria simillima
Caption: Male 'sitting on' (lipbrooding) egg clutch
Species: Hypancistrus sp. (L004)
Caption: Male (:L028)
Species: Corydoras(ln9) similis
Caption: Male (below) with female laying eggs (in fins)
Species: Ferrarissoaresia ferrarisi
Caption: Male (Dorsal view of holotype)
Species: Scleromystax macropterus
Caption: Male (dorsal view)
Species: Clarias batrachus
Caption: Male (foreground) and sub-dominant female
Species: Ferrarissoaresia ferrarisi
Caption: Male (Holotype)
Species: Panaqolus maccus
Caption: Male (left) / female (right) differences
Species: Corydoras(ln9) griseus
Caption: Male (old)
Species: Synodontis lucipinnis
Caption: Male (on right) chasing gravid female
Species: Baryancistrus beggini
Caption: Male (right) with Ancistrus sp.
Species: Ancistrus formoso
Caption: Male (same individual as right)1 year in captivity
Species: Megalechis picta
Caption: Male (showing near-touching coracoids)
Species: Ferrarissoaresia ferrarisi
Caption: Male (Ventral view of holotype)
Species: Hemiancistrus guahiborum
Caption: Male & female, dorsal view
Species: Ancistrus cf. cirrhosus
Caption: Male albino veiltail
Species: Hypancistrus sp. (L501)
Caption: Male and eggs in spawning cave
Species: Ancistrus claro
Caption: Male and female in cave laying eggs
Species: Clarias batrachus
Caption: Male at its favourite place in front of a cave
Species: Pseudacanthicus cf. leopardus
Caption: Male below, female above
Species: Hoplosternum littorale
Caption: Male building nest
Species: Pseudohemiodon sp. `MARBLED`
Caption: Male carrying eggs
Species: Pseudacanthicus pirarara
Caption: Male close-up
Species: Megalechis thoracata
Caption: Male during spawning
Species: Sturisomatichthys aureus
Caption: Male fanning eggs - lateral view
Species: Pseudomystus siamensis
Caption: Male genital papillae
Species: Hypancistrus sp. (L174)
Caption: Male genital papillae
Species: Synodontis waterloti
Caption: Male genital papillae
Species: Leporacanthicus cf. galaxias(l241)
Caption: Male guarding cave
Species: Leporacanthicus cf. galaxias(l241)
Caption: Male guarding cave
Species: Hypancistrus zebra
Caption: Male guarding egg clutch (right)
Species: Ancistrus sp. (L107)
Caption: Male guarding eggs
Species: Hypancistrus zebra
Caption: Male guarding eggs
Species: Leporacanthicus cf. galaxias`venezuela`
Caption: Male guarding eggs
Species: Panaqolus sp. (L169)
Caption: Male guarding eggs
Species: Peckoltia compta
Caption: Male guarding eggs
Species: Peckoltia sp. (L205)
Caption: Male guarding eggs
Species: Pseudohemiodon aff. apithanos
Caption: Male guarding eggs
Species: Pseudohemiodon lamina
Caption: Male guarding eggs
Species: Pseudohemiodon lamina
Caption: Male guarding eggs
Species: Rineloricaria sp. (7)
Caption: Male guarding eggs
Species: Rineloricaria sp. (7)
Caption: Male guarding eggs
Species: Rineloricaria sp. (L010A)
Caption: Male guarding eggs
Species: Rineloricaria wolfei
Caption: Male guarding eggs
Species: Sturisomatichthys reinae
Caption: Male guarding eggs
Species: Ancistrus sp. `RIO CHIRGUA`
Caption: Male guarding eggs in his spawning tube
Species: Hypancistrus sp. (L066)
Caption: Male guarding eggs in pipe cave
Species: Sturisomatichthys reinae
Caption: Male guarding eggs on aquarium glass
Species: Clarias batrachus
Caption: Male guarding fry
Species: Hypancistrus sp. (L260)
Caption: Male guarding fry
Species: Panaqolus sp. (L169)
Caption: Male guarding fry
Species: Peckoltia vittata
Caption: Male guarding fry
Species: Noturus phaeus
Caption: Male guarding small yellow eggs
Species: Farlowella vittata
Caption: Male illustrating odontodes on rostrum
Species: Hypancistrus sp. (L260)
Caption: Male in breeding cave
Species: Lophiobagrus brevispinis
Caption: Male in breeding pipe
Species: Ancistrus sp. `RIO FORMOSO II`
Caption: Male in cave
Species: Peckoltia sabaji
Caption: Male in cave
Species: Chaca chaca
Caption: Male in cave with eggs
Species: Hypancistrus lunaorum
Caption: Male in cave with fry
Species: Ancistomus sp. (L147)
Caption: Male in front of his spawning cave
Species: Leporacanthicus triactis
Caption: Male in his cave
Species: Peckoltia sp. (L038)
Caption: Male in spawning cave
Species: Platydoras armatulus
Caption: Male in spawning colour
Species: Farlowella vittata
Caption: Male Lateral Profile
Species: Peckoltia vittata
Caption: Male on top clearly showing the body odontodes
Species: Rineloricaria latirostris
Caption: Male orange colour morph
Species: Hypostomus roseopunctatus
Caption: Male pectoral fin
Species: Leporacanthicus cf. galaxias(l241)
Caption: Male pectoral fin
Species: Scobinancistrus sp. (L253)
Caption: Male pectoral fin
Species: Clarias batrachus
Caption: Male piebald
Species: Hypancistrus sp. (L174)
Caption: Male positioned outside breeding cave
Species: Hypancistrus zebra
Caption: Male scarred by fighting
Species: Cetopsis coecutiens
Caption: Male showing dorsal filament
Species: Bagrichthys macracanthus
Caption: Male showing genital papillae
Species: Bagrichthys macracanthus
Caption: Male showing genital papillae (white)
Species: Bagrichthys macracanthus
Caption: Male showing genital papillae (white)
Species: Peckoltia sp. (L080)
Caption: Male showing odontodes
Species: Rineloricaria eigenmanni
Caption: Male sitting on green eggs
Species: Corydoras(ln5) bilineatus
Caption: male specimen in phototank
Species: Corydoras(ln5) bilineatus
Caption: male specimen right after collecting
Species: Dianema longibarbis
Caption: Male tending bubblenest
Species: Pseudacanthicus spinosus
Caption: Male trapping female in cave
Species: Peckoltia sp. (L080)
Caption: Male vent
Species: Megalodoras uranoscopus
Caption: Male ventral view
Species: Hypancistrus sp. (L066)
Caption: Male with brood
Species: Pseudohemiodon sp. `MARBLED`
Caption: Male with brood
Species: Ancistrus sp. (L486)
Caption: Male with egg clutch
Species: Ancistrus cf. cirrhosus
Caption: Male with eggs
Species: Ancistrus cf. cirrhosus
Caption: Male with eggs
Species: Ancistrus sp. (L393)
Caption: Male with eggs
Species: Hemiodontichthys acipenserinus
Caption: Male with eggs
Species: Hemiodontichthys acipenserinus
Caption: Male with eggs
Species: Hemiodontichthys acipenserinus
Caption: Male with eggs
Species: Hypancistrus sp. (L411)
Caption: Male with eggs
Species: Loricaria sp. `RIO ATABAPO`
Caption: Male with eggs
Species: Panaqolus changae
Caption: Male with eggs
Species: Pseudohemiodon aff. apithanos
Caption: Male with eggs
Species: Pseudohemiodon sp. `MARBLED`
Caption: Male with eggs
Species: Pseudohemiodon sp. `PERU I`
Caption: Male with eggs
Species: Rineloricaria eigenmanni
Caption: Male with eggs
Species: Rineloricaria sp. (L010A)
Caption: Male with eggs
Species: Rineloricaria sp. `URUGUAY`
Caption: Male with eggs
Species: Sturisomatichthys festivus
Caption: Male with eggs
Species: Sturisomatichthys festivus
Caption: Male with eggs
Species: Pseudacanthicus pirarara
Caption: Male with eggs in cave
Species: Hypancistrus sp. (L260)
Caption: Male with erect odontodes
Species: Hypancistrus sp. (L260)
Caption: Male with fry in cave
Species: Megalechis thoracata
Caption: Male with offspring
Species: Ancistrus sp. (L486)
Caption: Male with two egg clutches
Species: Epactionotus gracilis
Caption: Male, 28.2 mm SL
Species: Epactionotus bilineatus
Caption: Male, 34.3 mm SL
Species: Epactionotus itaimbezinho
Caption: Male, 34.9 mm SL
Species: Panaque sp. (L191)
Caption: Male, 36 cm TL
Species: Panaqolus sp. (L483)
Caption: Male, caudal peduncle
Species: Neoplecostomus microps
Caption: Male, close-up of epidermal growth on pelvic fin
Species: Chaca chaca
Caption: Male, close-up of face
Species: Spatuloricaria sp. `RIO NANAY`
Caption: Male, close-up of head
Species: Pseudolithoxus dumus
Caption: Male, close-up of pectoral fin
Species: Neoplecostomus microps
Caption: Male, close-up of separate anal & urogenital pores
Species: Rineloricaria platyura
Caption: Male, collected from the Comte River
Species: Epactionotus bilineatus
Caption: Male, dorsal view
Species: Rineloricaria daraha
Caption: Male, dorsal view
Species: Rineloricaria sp. `ARGENTINA`
Caption: Male, Dorsal view
Species: Dekeyseria picta
Caption: Male, elongated pelvic fin beyond pelvic fin spine
Species: Pseudolithoxus dumus
Caption: Male, genital papillae and longer ventral fin
Species: Ageneiosus inermis
Caption: Male, Kurisevo River, Brazil
Species: Corydoras(ln8sc4) delphax
Caption: Male, left. Female, right.
Species: Tatia intermedia
Caption: Male, note enlarged upper caudal lobe
Species: Corydoras(ln1) sp. (C042)
Caption: Male, note the pectoral fin
Species: Otocinclus flexilis
Caption: Male, showing anus and urogenital papilla
Species: Hemiancistrus guahiborum
Caption: Male, showing pectoral odontodes
Species: Lamontichthys filamentosus
Caption: Male, showing pectoral spines
Species: Rita kuturnee
Caption: Male, Tungabhadra River, Karnataka,India
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: Liobagrus somjinensis
Caption: Male.
Species: Rineloricaria heteroptera
Caption: Male. Sex-dimorphic pectoral spine & odontodes
Species: Tatia galaxias
Caption: Male's enlongated upper caudal fin lobe
Species: Ancistrus cf. cirrhosus
Caption: Males
Species: Corydoras(ln8sc4) sp. (C141)
Caption: Males (center) in breeding color
Species: Synodontis nigromaculatus
Caption: Mambova Rapids about 30 min upstream from Kazungula, Zambia
Species: Synodontis vanderwaali
Caption: Mambova Rapids about 30 min upstream from Kazungula, Zambia
Species: Synodontis vanderwaali
Caption: Mambova Rapids about 30 min upstream from Kazungula, Zambia
Species: Bunocephalus verrucosus
Caption: Manaus
Species: Oxydoras niger
Caption: Manaus
Species: Pseudoplatystoma reticulatum
Caption: Manaus
Species: Bunocephalus verrucosus
Caption: Manaus; Dorsal view
Species: Erethistoides infuscatus
Caption: Mansai River,West Bengal,India
Species: Erethistoides infuscatus
Caption: Mansai River,West Bengal,India
Species: Erethistoides infuscatus
Caption: Mansai River,West Bengal,India
Species: Erethistoides infuscatus
Caption: Mansai River,West Bengal,India
Species: Erethistoides infuscatus
Caption: Mansai River,West Bengal,India
Species: Panaque suttonorum
Caption: Maracaibo basin
Species: Panaque suttonorum
Caption: Maracaibo basin; Close-up of mouth
Species: Panaque suttonorum
Caption: Maracaibo basin; Close-up of odontodes
Species: Panaque suttonorum
Caption: Maracaibo basin; Frontal view
Species: Ancistrus trinitatis
Caption: Maracas river
Species: Loricaria cataphracta
Caption: Maroni Basin
Species: Loricaria cataphracta
Caption: Maroni Basin
Species: Loricaria cataphracta
Caption: Maroni Basin
Species: Guyanancistrus megastictus
Caption: Maroni R., Mitaraka Mtn., Alama Crk. (F. Melki)
Species: Pseudancistrus barbatus
Caption: Maroni River
Species: Hypostomus plecostomus
Caption: Marshall creek (Suriname river drainage)
Species: Corydoras(ln7) schultzei
Caption: Mating
Species: Trachelyopterus fisheri
Caption: Mating behaviour
Species: Synodontis caudalis
Caption: Mature adult
Species: Synodontis caudalis
Caption: Mature adult
Species: Sorubimichthys planiceps
Caption: Mature fish
Species: Sorubimichthys planiceps
Caption: Mature fish in large home
Species: Synodontis ansorgii
Caption: Mature-first dorsal ray nipped
Species: Synodontis ansorgii
Caption: Mature-first dorsal ray nipped
Species: Synodontis ansorgii
Caption: Mature-first dorsal ray nipped
Species: Hypostomus subcarinatus
Caption: MCNIP 1103, Dorsal view
Species: Hypostomus subcarinatus
Caption: MCNIP 1103, Lagoa da Pampulha, Belo Horizonte
Species: Hypostomus subcarinatus
Caption: MCNIP 1103, Ventral view
Species: Hemibagrus wyckioides
Caption: Mekong
Species: Ictalurus punctatus
Caption: Memphis, Tennessee
Species: Pseudolaguvia tuberculata
Caption: Microscopic close-up view of the adhesive apparatus showing hook like structures called
Species: Pseudolaguvia tuberculata
Caption: Microscopic close-up view of the adhesive apparatus.
Species: Glyptothorax telchitta
Caption: Microscopic close-up view of tubercules on skin.
Species: Glyptothorax chavomensis
Caption: Mid-dorsal neural spines
Species: Cordylancistrus pijao
Caption: Middle Magdalena, Antioquia Dept. Dorsal view
Species: Cordylancistrus pijao
Caption: Middle Magdalena, Antioquia Dept. Ventral view
Species: Cordylancistrus pijao
Caption: Middle Magdalena, southeastern Antioquia Department, Colombia
Species: Zaireichthys monomotapa
Caption: Middle Zambezi, Revuboe R. (-16.1021, 33.6835)
Species: Corydoras(ln1) fowleri
Caption: Milagros
Species: Corydoras(ln9) trilineatus
Caption: Missing an eye!
Species: Hypancistrus sp. (L236)
Caption: Mixed rearing tank
Species: Exostoma sawmteai
Caption: Mizoram, India
Species: Microglanis variegatus
Caption: Mocache river, province of Los Rios, Ecuador
Species: Microglanis variegatus
Caption: Mocache river, province of Los Rios, Ecuador
Species: Microglanis variegatus
Caption: Mocache river, province of Los Rios, Ecuador
Species: Synodontis polli
Caption: Moliro
Species: Ancistrus ranunculus
Caption: Month old juvenile
Species: Clarias batrachus
Caption: Mottled Colour Form
Species: Corydoras(ln5) nijsseni
Caption: Mottled form
Species: Clarias batrachus
Caption: Mottled or Piebald form
Species: Ancistrus sp. `RIO FORMOSO`
Caption: Mouth of 9 cm fish
Species: Hypostomus froehlichi
Caption: Mouth of a young 11 cm fish from rio formoso
Species: Hypostomus spiniger
Caption: Mouth of adult
Species: Phyllonemus typus
Caption: Mouthbrooding parent
Species: Mystus malabaricus
Caption: Moyar River
Species: Cheirocerus eques
Caption: MUSM 36707, Rio Las Piedras, Madre de Dios basin, Peru
Species: Xyliphius lepturus
Caption: MUSM 36715, 94 mm SL, Rio Las Piedras, Madre de Dios basin, Peru
Species: Hypoptopoma incognitum
Caption: MUSM 36735, 70mm SL, Rio Las Piedras, Madre de Dios basin, Peru
Species: Auchenipterus brachyurus
Caption: MUSM 36779, 110 mm SL, Rio Las Piedras, Madre de Dios basin, Peru
Species: Spatuloricaria puganensis
Caption: MUSM 36935, 167 mm SL, Rio Las Piedras, Madre de Dios basin, Peru
Species: Microglanis sp. `RIO LAS PIEDRAS`
Caption: MUSM 36948, 38 mm SL, Rio Las Piedras. Reported as M. aff. iheringi
Species: Duringlanis aff. perugiae
Caption: MUSM 36952, 55 mm SL, Rio Las Piedras, Madre de Dios basin, Peru
Species: Rineloricaria lanceolata
Caption: MUSM 37019, 113 mm SL, Rio Las Piedras, Madre de Dios basin, Peru
Species: Mastiglanis sp. (2)
Caption: MUSM 55055, Holotype
Species: Mastiglanis sp. (2)
Caption: MUSM 55055, Holotype, dorsal view
Species: Mastiglanis sp. (2)
Caption: MUSM 55055, Holotype, ventral view
Species: Microglanis garavelloi
Caption: MZUEL 15575, Corrego Dourado, Rio Iguatemi
Species: Microglanis xylographicus
Caption: MZUEL 5173, 16.9 mm SL
Species: Microglanis oliveirai
Caption: MZUEL 5175, 26.5 mm SL