Image Captions containing `Male`

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Species: Hypancistrus sp. (L201)
Caption: "Big spot" L201, male with opercular odontodes
Species: Peckoltia sp. (L080)
Caption: 'Hairy' male and 'bald' female
Species: Panaque sp. (L191)
Caption: 5 years old, 30 cm TL, maybe female
Species: Ancistrus sp. `RIO UCAYALI`
Caption: Adult male
Species: Hypancistrus zebra
Caption: Adult alpha male (note thickened pectoral spines)
Species: Liobagrus andersoni
Caption: Adult female
Species: Liobagrus andersoni
Caption: Adult female
Species: Bagrichthys macracanthus
Caption: Adult female
Species: Bagrichthys macracanthus
Caption: Adult female
Species: Bagrichthys macracanthus
Caption: Adult female
Species: Corydoras(ln8sc4) sp. (C135)
Caption: adult female
Species: Corydoras(ln9) sp. (Cw104)
Caption: Adult female
Species: Agamyxis pectinifrons
Caption: Adult female
Species: Rhinodoras gallagheri
Caption: Adult female
Species: Pachypterus khavalchor
Caption: Adult female
Species: Ancistrus cf. cirrhosus
Caption: Adult female
Species: Ancistrus cf. cirrhosus
Caption: Adult female
Species: Ancistrus sp. (L107)
Caption: Adult female
Species: Brochiloricaria chauliodon
Caption: Adult female
Species: Hypancistrus sp. (L501)
Caption: Adult female
Species: Ancistrus sp. (L486)
Caption: Adult female in spawning condition
Species: Scleromystax barbatus
Caption: Adult male
Species: Ancistrus cf. cirrhosus
Caption: Adult Male
Species: Ancistrus cf. cirrhosus
Caption: Adult Male
Species: Ancistrus dolichopterus
Caption: Adult male
Species: Ancistrus sp. (L120)
Caption: Adult male
Species: Ancistrus sp. (L255)
Caption: Adult male
Species: Ancistrus sp. (L338)
Caption: Adult male
Species: Ancistrus sp. (L514)
Caption: Adult male
Species: Baryancistrus sp. (L142)
Caption: Adult Male
Species: Chaetostoma sp. (1)
Caption: Adult male
Species: Hypancistrus sp. (L260)
Caption: Adult male
Species: Loricaria birindellii
Caption: Adult male
Species: Panaqolus sp. (L374)
Caption: Adult male
Species: Pseudacanthicus sp. (L065)
Caption: Adult male
Species: Pseudacanthicus sp. (L427)
Caption: Adult Male
Species: Pseudacanthicus sp. (L452)
Caption: Adult male
Species: Microsynodontis polli
Caption: Adult male
Species: Synodontis lucipinnis
Caption: Adult male
Species: Synodontis multipunctatus
Caption: Adult male
Species: Hypancistrus lunaorum
Caption: Adult male (old)
Species: Brochiloricaria chauliodon
Caption: Adult male (Rio Parana at San Pedro town)
Species: Ancistrus sp. (L514)
Caption: adult male - ventral view
Species: Corydoras(ln5) sp. (Cw022)
Caption: Adult male in breeding color
Species: Ancistrus sp. `RIO FORMOSO II`
Caption: Adult male in Rio Formoso, Mato Grosso do Sul
Species: Ancistrus sp. (L486)
Caption: Adult male in spawning condition
Species: Liobagrus mediadiposalis
Caption: Adult, male
Species: Ancistrus cf. cirrhosus
Caption: Albino female
Species: Ancistrus cf. cirrhosus
Caption: Albino male and juvenile
Species: Scobinancistrus aureatus
Caption: Body of male showing odontodes
Species: Pseudacanthicus sp. (L452)
Caption: Breeding male
Species: Rineloricaria cadeae
Caption: Cerro Largo, Uruguay (male)
Species: Ancistomus sp. (L147)
Caption: Close up of a male and his cheek odontodes
Species: Hisonotus aky
Caption: Close-up of female
Species: Peckoltia sabaji
Caption: Close-up of female
Species: Duringlanis perugiae
Caption: Close-up of female anal fin
Species: Platystacus cotylephorus
Caption: Close-up of female and egg
Species: Rhamdia humilis
Caption: Close-up of female belly cut open to show roe
Species: Clarias batrachus
Caption: Close-up of female genital area
Species: Chrysichthys brachynema
Caption: Close-up of female genital area
Species: Megalodoras uranoscopus
Caption: Close-up of female genital area
Species: Goeldiella eques
Caption: Close-up of female genital area
Species: Sturisomatichthys aureus
Caption: Close-up of female genital area
Species: Leiarius pictus
Caption: Close-up of female genital area
Species: Synodontis clarias
Caption: Close-up of female ventral area
Species: Hypancistrus sp. (L316)
Caption: Close-up of female's cheek
Species: Hypancistrus furunculus
Caption: Close-up of female's genital papillae
Species: Liobagrus marginatus
Caption: Close-up of female's head
Species: Oreoglanis omkoiensis
Caption: Close-up of genital papilla. A, female. B, male.
Species: Spatuloricaria caquetae
Caption: Close-up of head (male)
Species: Farlowella sp. (1)
Caption: Close-up of head - female
Species: Chauliocheilos saxatilis
Caption: Close-up of head / male lip morphology
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: Ancistrus cf. cirrhosus
Caption: Close-up of head of male
Species: Hemiancistrus sp. (L128)
Caption: Close-up of head of male
Species: Hypancistrus furunculus
Caption: Close-up of head of male
Species: Hypancistrus sp. (L066)
Caption: Close-up of head of male
Species: Hypancistrus sp. (L070)
Caption: Close-up of head of male
Species: Leporacanthicus cf. galaxias(l240)
Caption: Close-up of head of male
Species: Leporacanthicus cf. galaxias`venezuela`
Caption: Close-up of head of male
Species: Leporacanthicus galaxias
Caption: Close-up of head of male
Species: Panaqolus albivermis
Caption: Close-up of head of male
Species: Peckoltia sp. `RIO TOCANTINS`
Caption: Close-up of head of male
Species: Rineloricaria sp. (7)
Caption: Close-up of head of male
Species: Rineloricaria sp. (L010A)
Caption: Close-up of head of male
Species: Synodontis schoutedeni
Caption: Close-up of head of male
Species: Ancistrus cf. cirrhosus
Caption: Close-up of head of piebald male
Species: Hypancistrus sp. (L066)
Caption: Close-up of head, male
Species: Ageneiosus magoi
Caption: Close-up of male
Species: Auchenipterichthys coracoideus
Caption: Close-up of male
Species: Bagrus meridionalis
Caption: Close-up of Male
Species: Scleromystax macropterus
Caption: Close-up of male
Species: Ancistrus cf. cirrhosus
Caption: Close-up of male
Species: Ancistrus cf. cirrhosus
Caption: Close-up of male
Species: Hisonotus aky
Caption: Close-up of male
Species: Hypancistrus inspector
Caption: Close-up of male
Species: Hypancistrus zebra
Caption: Close-up of male
Species: Panaque cf. cochliodon`upper magdalena`
Caption: Close-up of male
Species: Rineloricaria melini
Caption: Close-up of male
Species: Duringlanis perugiae
Caption: Close-up of male anal fin
Species: Hypancistrus sp. (L501)
Caption: Close-up of male and eggs in spawning cave
Species: Entomocorus gameroi
Caption: Close-up of male genital area
Species: Clarias batrachus
Caption: Close-up of male genital area
Species: Chrysichthys brachynema
Caption: Close-up of male genital area
Species: Megalodoras uranoscopus
Caption: Close-up of male genital area
Species: Goeldiella eques
Caption: Close-up of male genital area
Species: Sturisomatichthys aureus
Caption: Close-up of male genital area
Species: Leiarius pictus
Caption: Close-up of male genital area
Species: Synodontis pardalis
Caption: Close-up of male genital papillae
Species: Sturisomatichthys festivus
Caption: Close-up of male guarding eggs
Species: Sturisomatichthys reinae
Caption: Close-up of male guarding eggs
Species: Entomocorus gameroi
Caption: Close-up of male head
Species: Rineloricaria fallax
Caption: Close-up of male head
Species: Rineloricaria latirostris
Caption: Close-up of male orange colour morph
Species: Farlowella vittata
Caption: Close-up of male rostrum showing odontodes
Species: Pseudancistrus sp. (L259)
Caption: Close-up of male showing cheek bristles
Species: Rineloricaria lanceolata
Caption: Close-up of male showing cheek bristles
Species: Peckoltia sp. `RIO TOCANTINS`
Caption: Close-up of male showing posterior odontodes
Species: Ancistrus sp. `RIO CHIRGUA`
Caption: Close-up of male showing unbranched head tentacles
Species: Hypancistrus sp. (L316)
Caption: Close-up of male's cheek
Species: Hypancistrus furunculus
Caption: Close-up of male's genital papillae
Species: Panaqolus albivermis
Caption: Close-up of male's genital papillae
Species: Liobagrus marginatus
Caption: Close-up of male's head
Species: Ancistrus sp. (LDA072)
Caption: Close-up of male's head
Species: Leporacanthicus cf. galaxias(l241)
Caption: Close-up of male's head
Species: Pareiorhaphis bahiana
Caption: Close-up of male's head
Species: Panaqolus albivermis
Caption: Close-up of male's odontodes
Species: Hypancistrus sp. (L174)
Caption: Close-up of male's pectoral fin
Species: Baryancistrus sp. (L142)
Caption: Close-up of males pectoral fin ray
Species: Hypancistrus sp. (L316)
Caption: Close-up of mouth (male)
Species: Peckoltia sp. (L080)
Caption: Close-up of mouth (male)
Species: Ancistrus cf. cirrhosus
Caption: Close-up of mouth of male
Species: Microglanis berbixae
Caption: Close-up of urogenital papillae. A. Female, B. Male.
Species: Chauliocheilos saxatilis
Caption: Close-up of ventral view of male's head
Species: Pseudomystus siamensis
Caption: Close-up showing sexual dimorphism (male below)
Species: Synodontis sp. `NAKANBE RIVER`
Caption: Collected near Tamale, Ghana
Species: Clarias batrachus
Caption: Dorsal view (female)
Species: Panaqolus dentex
Caption: Dorsal view (female)
Species: Peckoltia braueri
Caption: Dorsal view (female)
Species: Peckoltia sp. (L080)
Caption: Dorsal view (female)
Species: Duringlanis perugiae
Caption: Dorsal view (male)
Species: Clarias batrachus
Caption: Dorsal view (male)
Species: Ancistrus sp. (L393)
Caption: Dorsal view (male)
Species: Panaqolus dentex
Caption: Dorsal view (male)
Species: Panaqolus sp. (L169)
Caption: Dorsal view (male)
Species: Peckoltia sp. (L080)
Caption: Dorsal view (male)
Species: Erethistes jerdoni
Caption: Dorsal view (male)
Species: Megalechis picta
Caption: Dorsal view - adult male
Species: Ancistrus claro
Caption: Dorsal view - male
Species: Ancistrus sp. (4)
Caption: Dorsal view - male
Species: Ancistrus sp. (L255)
Caption: Dorsal view - male
Species: Ancistrus sp. `RIO FORMOSO II`
Caption: Dorsal view after capture (female)
Species: Bagrichthys macracanthus
Caption: Dorsal view of adult female
Species: Amblydoras nauticus
Caption: Dorsal view of female
Species: Brochiloricaria chauliodon
Caption: Dorsal view of female
Species: Brochiloricaria chauliodon
Caption: Dorsal view of female
Species: Hypancistrus sp. (L070)
Caption: Dorsal view of female
Species: Hypancistrus sp. (L270)
Caption: Dorsal view of female
Species: Hypancistrus sp. (L316)
Caption: Dorsal view of female
Species: Pseudacanthicus pirarara
Caption: Dorsal view of female
Species: Pseudacanthicus sp. (LDA105)
Caption: Dorsal view of female
Species: Pseudolithoxus dumus
Caption: Dorsal view of female
Species: Rineloricaria eigenmanni
Caption: Dorsal view of female
Species: Rineloricaria sp. (7)
Caption: Dorsal view of female
Species: Leporacanthicus cf. galaxias(l241)
Caption: Dorsal view of female (narrower head)
Species: Lophiobagrus brevispinis
Caption: Dorsal view of male
Species: Brochiloricaria chauliodon
Caption: Dorsal view of male
Species: Hypancistrus sp. (L070)
Caption: Dorsal view of male
Species: Hypancistrus sp. (L316)
Caption: Dorsal view of male
Species: Pseudolithoxus dumus
Caption: Dorsal view of male
Species: Rineloricaria sp. `LORETO`
Caption: Dorsal view of male
Species: Rineloricaria wolfei
Caption: Dorsal view of male
Species: Leporacanthicus cf. galaxias(l241)
Caption: Dorsal view of male (broader head)
Species: Sturisomatichthys reinae
Caption: Dorsal view of male's bristles
Species: Rineloricaria sp. (7)
Caption: Dorsal view of males
Species: Sturisomatichthys reinae
Caption: Dorsal view of males
Species: Corydoras(ln5) elegans
Caption: Dorsal view of pair - female below
Species: Pseudancistrus kwinti
Caption: Dorsal view, male
Species: Peckoltia sp. `RIO NEGRO II`
Caption: Dorsal view, sexing (left, females; right, male)
Species: Farlowella vittata
Caption: Eggs from 2 females laid over 3 nights
Species: Leporacanthicus cf. galaxias(l240)
Caption: Eye of male
Species: Liobagrus marginatus
Caption: Female
Species: Liobagrus somjinensis
Caption: Female
Species: Bunocephalus coracoideus
Caption: Female
Species: Platystacus cotylephorus
Caption: Female
Species: Centromochlus orca
Caption: female
Species: Duringlanis altae
Caption: Female
Species: Duringlanis altae
Caption: Female
Species: Duringlanis perugiae
Caption: Female
Species: Duringlanis perugiae
Caption: Female
Species: Duringlanis romani
Caption: Female
Species: Entomocorus gameroi
Caption: Female
Species: Ferrarissoaresia ferrarisi
Caption: Female
Species: Glanidium botocudo
Caption: Female
Species: Tatia dunni
Caption: Female
Species: Tatia intermedia
Caption: Female
Species: Trachelyichthys exilis
Caption: Female
Species: Trachelyopterus fisheri
Caption: Female
Species: Trachelyopterus fisheri
Caption: Female
Species: Trachelyopterus fisheri
Caption: Female
Species: Mystus bimaculatus
Caption: Female
Species: Mystus carcio
Caption: Female
Species: Mystus vittatus
Caption: Female
Species: Aspidoras sp. (C035)
Caption: Female
Species: Aspidoras taurus
Caption: Female
Species: Corydoras(ln1) sp. (C042)
Caption: Female
Species: Corydoras(ln1) sp. (Cw124)
Caption: Female
Species: Corydoras(ln4) guapore
Caption: Female
Species: Corydoras(ln5) elegans
Caption: Female
Species: Corydoras(ln5) napoensis
Caption: Female
Species: Corydoras(ln5) sp. (C089)
Caption: Female
Species: Corydoras(ln5) sp. (C089)
Caption: Female
Species: Corydoras(ln5) sp. (C123)
Caption: Female
Species: Corydoras(ln5) sp. (Cw008)
Caption: Female
Species: Corydoras(ln5) sp. (Cw018)
Caption: Female
Species: Corydoras(ln5) sp. (Cw105)
Caption: Female
Species: Corydoras(ln5) undulatus
Caption: Female
Species: Corydoras(ln6) diphyes
Caption: Female
Species: Corydoras(ln6) diphyes
Caption: Female
Species: Corydoras(ln6) longipinnis
Caption: Female
Species: Corydoras(ln6) nattereri
Caption: Female
Species: Corydoras(ln6) paleatus
Caption: Female
Species: Corydoras(ln7) aeneus
Caption: Female
Species: Corydoras(ln8sc3) geryi
Caption: Female
Species: Corydoras(ln8sc3) geryi
Caption: Female
Species: Corydoras(ln8sc3) pantanalensis
Caption: Female
Species: Corydoras(ln8sc4) robustus
Caption: Female
Species: Corydoras(ln9) baderi
Caption: Female
Species: Corydoras(ln9) boesemani
Caption: Female
Species: Corydoras(ln9) davidsandsi
Caption: Female
Species: Corydoras(ln9) habrosus
Caption: Female
Species: Corydoras(ln9) sp. (C054)
Caption: Female
Species: Corydoras(ln9) sp. (Cw069)
Caption: Female
Species: Corydoras(ln9) sp. (Cw111)
Caption: Female
Species: Corydoras(ln9) sp. (Cw112)
Caption: Female
Species: Corydoras(ln9) sp. (Cw140)
Caption: Female
Species: Corydoras(ln9) weitzmani
Caption: female
Species: Hoplosternum littorale
Caption: Female
Species: Hoplosternum punctatum
Caption: Female
Species: Megalechis picta
Caption: Female
Species: Megalechis picta
Caption: Female
Species: Scleromystax barbatus
Caption: Female
Species: Scleromystax kronei
Caption: Female
Species: Scleromystax kronei
Caption: Female
Species: Scleromystax lacerdai
Caption: Female
Species: Scleromystax prionotos
Caption: Female
Species: Scleromystax prionotos
Caption: Female
Species: Scleromystax sp. (Cw067)
Caption: Female
Species: Scleromystax sp. (Cw147)
Caption: Female
Species: Scleromystax sp. (Cw147)
Caption: Female
Species: Cetopsidium soniae
Caption: Female
Species: Cetopsidium soniae
Caption: Female
Species: Cetopsis sandrae
Caption: Female
Species: Clarias batrachus
Caption: Female
Species: Chrysichthys brachynema
Caption: Female
Species: Lophiobagrus brevispinis
Caption: Female
Species: Parauchenoglanis ngamensis
Caption: Female
Species: Parauchenoglanis ngamensis
Caption: Female
Species: Parauchenoglanis ngamensis
Caption: Female
Species: Parauchenoglanis ngamensis
Caption: Female
Species: Amblydoras nauticus
Caption: Female
Species: Platydoras armatulus
Caption: Female
Species: Brachyrhamdia sp. (1)
Caption: Female
Species: Brachyrhamdia thayeria
Caption: Female
Species: Ancistrus cf. cirrhosus
Caption: Female
Species: Ancistrus sp. (4)
Caption: Female
Species: Ancistrus sp. (5)
Caption: Female
Species: Ancistrus sp. (L107)
Caption: Female
Species: Ancistrus sp. (L107)
Caption: Female
Species: Ancistrus sp. (L393)
Caption: Female
Species: Ancistrus sp. (L486)
Caption: Female
Species: Ancistrus sp. `RIO CHIRGUA`
Caption: Female
Species: Ancistrus sp. `RIO TOCANTINS`
Caption: Female
Species: Ancistrus sp. `RIO UCAYALI`
Caption: Female
Species: Ancistrus stigmaticus
Caption: Female
Species: Baryancistrus xanthellus
Caption: Female
Species: Chaetostoma sp. (L455)
Caption: Female
Species: Farlowella platorynchus
Caption: Female
Species: Farlowella platorynchus
Caption: Female
Species: Farlowella platorynchus
Caption: Female
Species: Farlowella platorynchus
Caption: Female
Species: Hemiancistrus sp. (L128)
Caption: Female
Species: Hemiancistrus subviridis
Caption: Female
Species: Hisonotus aky
Caption: Female
Species: Hypancistrus sp. (L004)
Caption: Female
Species: Hypancistrus sp. (L066)
Caption: Female
Species: Hypancistrus sp. (L070)
Caption: Female
Species: Hypancistrus sp. (L173)
Caption: Female
Species: Hypancistrus sp. (L173)
Caption: Female
Species: Hypancistrus sp. (L173)
Caption: Female
Species: Hypancistrus sp. (L174)
Caption: Female
Species: Hypancistrus sp. (L236)
Caption: Female
Species: Hypancistrus sp. (L236)
Caption: Female
Species: Hypancistrus sp. (L260)
Caption: Female
Species: Hypancistrus sp. (L316)
Caption: Female
Species: Hypancistrus sp. (L316)
Caption: Female
Species: Hypancistrus sp. (L400)
Caption: Female
Species: Hypancistrus sp. (L400)
Caption: Female
Species: Hypancistrus sp. (L411)
Caption: Female
Species: Hypancistrus sp. (L471)
Caption: Female
Species: Hypancistrus zebra
Caption: Female
Species: Leporacanthicus cf. galaxias(l241)
Caption: Female
Species: Leporacanthicus triactis
Caption: Female
Species: Loricaria simillima
Caption: Female
Species: Neoplecostomus microps
Caption: Female
Species: Otocinclus cocama
Caption: Female
Species: Otocinclus flexilis
Caption: Female
Species: Panaqolus albivermis
Caption: Female
Species: Panaqolus sp. (L169)
Caption: Female
Species: Peckoltia braueri
Caption: Female
Species: Peckoltia braueri
Caption: Female
Species: Peckoltia sabaji
Caption: Female
Species: Peckoltia sp. (L038)
Caption: Female
Species: Peckoltia sp. (L205)
Caption: Female
Species: Peckoltia sp. (L265)
Caption: Female
Species: Pseudacanthicus sp. (LDA105)
Caption: Female
Species: Pseudohemiodon sp. `MARBLED`
Caption: Female
Species: Pterosturisoma microps
Caption: Female
Species: Pterygoplichthys disjunctivus
Caption: Female
Species: Rineloricaria aff. latirostris
Caption: Female
Species: Rineloricaria sp. (7)
Caption: Female
Species: Rineloricaria sp. (L010A)
Caption: Female
Species: Rineloricaria sp. (L010A)
Caption: Female
Species: Rineloricaria sp. `BARCELOS`
Caption: Female
Species: Rineloricaria teffeana
Caption: Female
Species: Scobinancistrus aureatus
Caption: Female
Species: Scobinancistrus sp. (L253)
Caption: Female
Species: Spectracanthicus zuanoni
Caption: Female
Species: Spectracanthicus zuanoni
Caption: Female
Species: Sturisomatichthys aureus
Caption: Female
Species: Chiloglanis anoterus
Caption: Female
Species: Microsynodontis sp. (1)
Caption: Female
Species: Synodontis multipunctatus
Caption: Female
Species: Synodontis notatus
Caption: Female
Species: Synodontis pleurops
Caption: Female
Species: Pseudopimelodus bufonius
Caption: Female
Species: Pareutropius buffei
Caption: Female
Species: Pareutropius buffei
Caption: Female
Species: Pareutropius buffei
Caption: Female
Species: Schilbe intermedius
Caption: Female
Species: Hypancistrus sp. (L287)
Caption: Female (above) and F1
Species: Ancistrus sp. (L180)
Caption: Female (right) and male (left), ventral view
Species: Farlowella vittata
Caption: Female (right) and male guarding eggs
Species: Pseudacanthicus pirarara
Caption: Female - close-up of body odontodes
Species: Pseudacanthicus pirarara
Caption: Female - close-up of head
Species: Scobinancistrus sp. (L253)
Caption: Female - close-up of head
Species: Pseudacanthicus pirarara
Caption: Female - close-up of pectoral odontodes
Species: Chaetostoma formosae
Caption: Female - dorsal view
Species: Rineloricaria langei
Caption: Female - dorsal view
Species: Rineloricaria maacki
Caption: Female - dorsal view
Species: Rineloricaria langei
Caption: Female - lateral view
Species: Rineloricaria maacki
Caption: Female - lateral 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: Corydoras(ln7) aeneus
Caption: Female about to lay eggs on glass
Species: Rineloricaria sp. (L010A)
Caption: Female above pipe, male inside
Species: Peckoltia compta
Caption: Female after spawning - note scratches on right
Species: Clarias batrachus
Caption: Female albino
Species: Panaqolus sp. (L169)
Caption: Female and juveniles
Species: Rhamdia humilis
Caption: Female belly cut open to show roe
Species: Scobinancistrus aureatus
Caption: Female body showing absence of odontodes
Species: Scleromystax barbatus
Caption: Female carring eggs in pelvic fins
Species: Platystacus cotylephorus
Caption: Female carrying egg
Species: Corydoras(ln9) concolor
Caption: Female carrying eggs
Species: Baryancistrus xanthellus
Caption: Female carrying eggs
Species: Corydoras(ln7) aeneus
Caption: Female carrying eggs in pelvic fin
Species: Corydoras(ln9) weitzmani
Caption: Female carrying eggs in pelvic fins
Species: Pseudacanthicus pirarara
Caption: Female close-up
Species: Ancistrus sp. (L045)
Caption: Female collected in French Guyana
Species: Amblyceps laticeps
Caption: Female gravid with eggs
Species: Amblyceps laticeps
Caption: Female gravid with eggs
Species: Hypancistrus sp. (L260)
Caption: Female gravid with eggs.
Species: Farlowella vittata
Caption: Female illustrating scutes
Species: Clarias batrachus
Caption: Female immediately after spawning
Species: Clarias batrachus
Caption: Female immediately before spawning
Species: Ancistrus sp. `RIO FORMOSO II`
Caption: Female in stress colors
Species: Farlowella vittata
Caption: Female lateral profile
Species: Corydoras(ln9) duplicareus
Caption: Female laying eegs!
Species: Corydoras(ln6) paleatus
Caption: Female laying eggs
Species: Corydoras(ln6) paleatus
Caption: Female laying eggs on leaves
Species: Corydoras(ln7) aeneus
Caption: Female leaving eggs laid on glass
Species: Ancistrus sp. (L309)
Caption: Female on right, male on left
Species: Hemiancistrus subviridis
Caption: Female on right, male on left
Species: Rineloricaria latirostris
Caption: Female orange colour morph
Species: Tetranematichthys barthemi
Caption: Female paratype
Species: Hypostomus roseopunctatus
Caption: Female pectoral fin
Species: Scobinancistrus sp. (L253)
Caption: Female pectoral fin
Species: Erethistes horai
Caption: Female pectoral fin
Species: Leporacanthicus cf. galaxias(l241)
Caption: Female pectoral fin (smaller odontodes)
Species: Ancistomus sp. (L147)
Caption: Female ripe with eggs and ready to spawn
Species: Tatia intermedia
Caption: Female spawning
Species: Scobinancistrus sp. (L253)
Caption: Female upper caudal
Species: Peckoltia sp. (L080)
Caption: Female vent
Species: Megalodoras uranoscopus
Caption: Female ventral view
Species: Corydoras(ln9) sp. (Cw051)
Caption: Female with eggs between pelvic fins
Species: Scleromystax prionotos
Caption: Female with F1 offspring
Species: Epactionotus bilineatus
Caption: Female, 30.6 mm SL
Species: Panaqolus sp. (L483)
Caption: Female, caudal peduncle
Species: Duringlanis perugiae
Caption: Female, caudal-fin markings like Fowler 1945
Species: Pseudolithoxus dumus
Caption: Female, close-up of pectoral fin
Species: Neoplecostomus microps
Caption: Female, close-up of single anal/urogenital pore
Species: Pseudacanthicus leopardus
Caption: Female, day after laying eggs
Species: Epactionotus bilineatus
Caption: Female, dorsal view
Species: Pareiorhaphis hystrix
Caption: Female, dorsal view
Species: Rineloricaria daraha
Caption: Female, dorsal view
Species: Rineloricaria sp. `ARGENTINA`
Caption: Female, Dorsal view
Species: Pseudolithoxus dumus
Caption: Female, genital papillae and regular ventral fin
Species: Otocinclus flexilis
Caption: Female, showing anus
Species: Corydoras(ln5) sp. (Cw048)
Caption: Female, Spari Creek
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: Panaqolus sp. (L374)
Caption: Female-unusual pattern
Species: Rineloricaria heteroptera
Caption: Female. Rio Machado basin, Rio Madeira drainage
Species: Rineloricaria heteroptera
Caption: Female. Rio Machado basin, Rio Madeira drainage
Species: Rineloricaria heteroptera
Caption: Female. Rio Machado basin, Rio Madeira drainage
Species: Rineloricaria heteroptera
Caption: Female. Sex-dimorphic pectoral spine & odontodes
Species: Ancistomus sp. (L147)
Caption: Females cheek odontodes
Species: Scleromystax barbatus
Caption: Frontal view-male
Species: Hypancistrus sp. (L316)
Caption: Genital papillae of female
Species: Pseudacanthicus sp. (LDA105)
Caption: Genital papillae-female
Species: Pseudecheneis nagalandensis
Caption: Genital papillae. A) Male. B) Female
Species: Duringlanis perugiae
Caption: Gravid female
Species: Hyalobagrus flavus
Caption: Gravid female
Species: Corydoras(ln5) sp. (C123)
Caption: Gravid female
Species: Hypancistrus sp. (L260)
Caption: Gravid female
Species: Leporacanthicus triactis
Caption: Gravid female
Species: Parotocinclus sp. `RIO CAQUETA`
Caption: Gravid female
Species: Peckoltia compta
Caption: Gravid female
Species: Pseudacanthicus leopardus
Caption: Gravid female
Species: Pseudacanthicus spinosus
Caption: Gravid female
Species: Rineloricaria sp. (L010A)
Caption: Gravid female
Species: Synodontis lucipinnis
Caption: Gravid female
Species: Otocinclus vittatus
Caption: Gravid female showing yellowish eggs
Species: Parotocinclus sp. `RIO CAQUETA`
Caption: Gravid female, dorsal view
Species: Rita kuturnee
Caption: Gravid female, Tungabhadra River, Karnataka,India
Species: Parotocinclus sp. `RIO CAQUETA`
Caption: Gravid female, ventral view
Species: Silurus triostegus
Caption: Habitat: Dez River at Harmaleh
Species: Ancistrus sp. `RIO FORMOSO II`
Caption: Head after capture (female)
Species: Scobinancistrus aureatus
Caption: Head of female
Species: Scobinancistrus aureatus
Caption: Head of male
Species: Ancistrus sp. `RIO FORMOSO II`
Caption: Head of male in Rio Formoso
Species: Ancistrus cf. cirrhosus
Caption: Head-on view of albino male
Species: Clarias batrachus
Caption: Heavily gravid female
Species: Hisonotus bockmanni
Caption: Holotype, dorsal view. Female, 21.9mm SL
Species: Paralithoxus mocidade
Caption: Holotype, dorsal. Female.
Species: Gelanoglanis varii
Caption: Holotype, female
Species: Parotocinclus jacumirim
Caption: Holotype, female
Species: Hisonotus bockmanni
Caption: Holotype, female, 21.9mm SL
Species: Epactionotus advenus
Caption: Holotype, female, 35.4 mm SL
Species: Paralithoxus mocidade
Caption: Holotype, female.
Species: Ferrarissoaresia meridionalis
Caption: Holotype, male
Species: Pareiorhaphis vetula
Caption: Holotype, male
Species: Rineloricaria isaaci
Caption: Holotype, male
Species: Microglanis berbixae
Caption: Holotype, male 54.2 mm SL
Species: Pareiorhaphis vetula
Caption: Holotype, male, dorsal view
Species: Rineloricaria isaaci
Caption: Holotype, male, dorsal view
Species: Pareiorhaphis vetula
Caption: Holotype, male, ventral view
Species: Rineloricaria isaaci
Caption: Holotype, male, ventral view
Species: Ferrarissoaresia meridionalis
Caption: Holotype, male; Dorsal view
Species: Ferrarissoaresia meridionalis
Caption: Holotype, male; Ventral view
Species: Hisonotus bockmanni
Caption: Holotype, ventral view. Female, 21.9mm SL
Species: Paralithoxus mocidade
Caption: Holotype, ventral. Female.
Species: Tatia akroa
Caption: Holotype. Male.
Species: Tatia akroa
Caption: Holotype. Male. Dorsal view
Species: Tatia akroa
Caption: Holotype. Male. Ventral view
Species: Corumbataia acanthodela
Caption: Hypertrophied odontodes on head of male
Species: Astroblepus sabalo
Caption: Intromittent organ of sexually mature male. (A) Lateral view. (B) Ventral view. af, anal fin.
Species: Panaqolus maccus
Caption: Juvenile in foreground, adult female in background
Species: Pseudacanthicus cf. leopardus
Caption: Juvenile male below, female above (approx 5-6cm)
Species: Corydoras(ln9) boesemani
Caption: Juvenile male just caught
Species: Baryancistrus xanthellus
Caption: L081 close-up of female head
Species: Baryancistrus xanthellus
Caption: L081 close-up of male head
Species: Baryancistrus xanthellus
Caption: L085 adult female
Species: Baryancistrus xanthellus
Caption: L085 adult male
Species: Dekeyseria picta
Caption: L168, male guarding eggs
Species: Dekeyseria picta
Caption: L168, male with eggs in square pipe
Species: Pseudolithoxus kinja
Caption: L492, Female, close-up of mouth
Species: Pseudolithoxus kinja
Caption: L492, Male, close-up of mouth
Species: Pseudancistrus kwinti
Caption: Lateral view, male
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: 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: Hemiancistrus guahiborum
Caption: Male & female, dorsal view
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: 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: 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: Tatia galaxias
Caption: Male's enlongated upper caudal fin lobe
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: Ancistrus cf. cirrhosus
Caption: Males
Species: Corydoras(ln8sc4) sp. (C141)
Caption: Males (center) in breeding color
Species: Panaqolus sp. (L374)
Caption: Nine months, forground-adult male above
Species: Rineloricaria eigenmanni
Caption: Odontodes on male's head, cheeks & pectoral fins
Species: Panaqolus dentex
Caption: Pair (female - right)
Species: Peckoltia sabaji
Caption: Pair (female - right)
Species: Hypancistrus debilittera
Caption: Pair (female right)
Species: Corydoras(ln6) diphyes
Caption: Pair (female to left)
Species: Corydoras(ln9) sp. (C121)
Caption: Pair (female to left)
Species: Ageneiosus magoi
Caption: Pair (female, left)
Species: Ancistrus dolichopterus
Caption: Pair (Male center)
Species: Pseudohemiodon sp. `MARBLED`
Caption: Pair (male to right)
Species: Nannoptopoma sp. `PERU(1)`
Caption: Pair (male, above) with eggs and older fry
Species: Mystus vittatus
Caption: Pair - female above
Species: Pseudomystus siamensis
Caption: Pair - female above
Species: Pseudomystus siamensis
Caption: Pair - female above
Species: Agamyxis pectinifrons
Caption: Pair - female above
Species: Brachyrhamdia sp. (1)
Caption: Pair - female above
Species: Goeldiella eques
Caption: Pair - female above
Species: Synodontis notatus
Caption: Pair - female above
Species: Pseudopimelodus bufonius
Caption: Pair - female above
Species: Schilbe intermedius
Caption: Pair - female above
Species: Auchenipterichthys coracoideus
Caption: Pair - female below
Species: Megalechis picta
Caption: Pair - female below
Species: Chrysichthys brachynema
Caption: Pair - female below
Species: Megalodoras uranoscopus
Caption: Pair - female below
Species: Rineloricaria lanceolata
Caption: Pair - female below
Species: Sturisoma barbatum
Caption: Pair - female below
Species: Sturisomatichthys reinae
Caption: Pair - female below
Species: Synodontis pleurops
Caption: Pair - female below
Species: Ompok eugeneiatus
Caption: Pair - female below
Species: Delturus sp. (1)
Caption: Pair - female in foregound
Species: Amaralia hypsiura
Caption: Pair - female on left
Species: Synodontis lucipinnis
Caption: Pair - female on left
Species: Ancistrus ranunculus
Caption: Pair - female on right
Species: Corydoras(ln7) venezuelanus
Caption: Pair - female to rear
Species: Synodontis sp. `POLLI WHITE`
Caption: Pair - female to right
Species: Synodontis sp. `POLLI WHITE`
Caption: Pair - female to right
Species: Hypancistrus zebra
Caption: Pair - female top
Species: Peckoltia lujani
Caption: Pair - male on right
Species: Peckoltia lujani
Caption: Pair - male on top
Species: Cetopsis sandrae
Caption: Pair - male to front
Species: Megalechis picta
Caption: Pair courting (female on right)
Species: Tatia strigata
Caption: Pair, female above
Species: Spectracanthicus zuanoni
Caption: Pair, female above
Species: Corydoras(ln9) sp. (Cw127)
Caption: Pair, female above.
Species: Corydoras(ln8sc4) condiscipulus
Caption: Pair, female below
Species: Parancistrus nudiventris
Caption: Pair, female below
Species: Corydoras(ln9) sp. (Cw111)
Caption: Pair, female left
Species: Hypancistrus sp. (3)
Caption: Pair, female left
Species: Pseudacanthicus spinosus
Caption: Pair, female left
Species: Hypancistrus sp. (L173)
Caption: Pair, female right
Species: Parotocinclus jumbo
Caption: Pair, female right
Species: Rineloricaria eigenmanni
Caption: Pair, female to left
Species: Rineloricaria parva
Caption: Pair, female to left
Species: Ageneiosus polystictus
Caption: Pair, female to right
Species: Tatia dunni
Caption: Pair, female to right
Species: Hemiancistrus sp. (L128)
Caption: Pair, female to right
Species: Panaqolus maccus
Caption: Pair, gravid female to left
Species: Ancistrus sp. (L071)
Caption: Pair, male above
Species: Hemiancistrus sp. (L128)
Caption: Pair, male above
Species: Hypancistrus sp. (L270)
Caption: Pair, male above
Species: Hypancistrus sp. (L340)
Caption: Pair, male above
Species: Pseudacanthicus leopardus
Caption: Pair, male above
Species: Pareutropius buffei
Caption: Pair, male above
Species: Trichogenes claviger
Caption: Pair, male above
Species: Corydoras(ln8sc3) pantanalensis
Caption: Pair, male below
Species: Hemiancistrus sp. (L128)
Caption: Pair, male below
Species: Chaca chaca
Caption: Pair, male in cave
Species: Trachelyopterus fisheri
Caption: Pair, male in foreground
Species: Corydoras(ln7) eques
Caption: Pair, male in front, from Anori, Brazil
Species: Sorubim elongatus
Caption: Pair, male lower
Species: Hypancistrus sp. (L270)
Caption: Pair, male on left
Species: Peckoltia compta
Caption: Pair, male on left
Species: Corydoras(ln7) sp. (Cw010)
Caption: Pair, male on right
Species: Hypancistrus sp. (L070)
Caption: Pair, male on right
Species: Hypancistrus sp. (L270)
Caption: Pair, male on right
Species: Peckoltia sp. (L076)
Caption: Pair, male on the right
Species: Pseudancistrus barbatus
Caption: Pair, male to left
Species: Tatia gyrina
Caption: Pair, male to right
Species: Leporacanthicus cf. galaxias(l240)
Caption: Pair, male to the left
Species: Aspidoras spilotus
Caption: Pair-male above
Species: Paralithoxus mocidade
Caption: Paratype, dorsal. Male.
Species: Ferrarissoaresia meridionalis
Caption: Paratype, female
Species: Pareiorhaphis vetula
Caption: Paratype, female, dorsal view
Species: Hisonotus bockmanni
Caption: Paratype, female. 23.2mm SL
Species: Paralithoxus mocidade
Caption: Paratype, female. Photo by Haroldo Palo Jr.
Species: Ferrarissoaresia meridionalis
Caption: Paratype, female; Dorsal view
Species: Ferrarissoaresia meridionalis
Caption: Paratype, female; Ventral view
Species: Gelanoglanis varii
Caption: Paratype, male
Species: Paralithoxus mocidade
Caption: Paratype, male.
Species: Paralithoxus mocidade
Caption: Paratype, ventral. Male.
Species: Hypancistrus sp. (L316)
Caption: Pectoral fin spine of female
Species: Peckoltia compta
Caption: Posterior half of female showing no odontode growth
Species: Peckoltia compta
Caption: Posterior half of male showing odontode growth
Species: Pterocryptis barakensis
Caption: Sexual dimorphism: (left) Male, (right) Female
Species: Corydoras(ln6) froehlichi
Caption: Sexual dimorphism: Male (left), Female (right)
Species: Epactionotus advenus
Caption: Sexual dimporphism: a) Male; b) female
Species: Corydoras(ln4) guapore
Caption: Spawning - female to front with eggs in fins
Species: Ancistrus cf. cirrhosus
Caption: Super red, male.
Species: Ancistomus sp. (L147)
Caption: The male ushers the female gently into the cave
Species: Bagrus meridionalis
Caption: Underwater shot of Male and offspring
Species: Baryancistrus sp. `BELO MONTE`
Caption: Underwater: Adult male
Species: Pareiorhaphis hystrix
Caption: Variation in adult male pectoral-fin spines
Species: Pareiorhaphis hystrix
Caption: Variation in development of male traits
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: 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: 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: Rineloricaria aff. latirostris
Caption: Ventral view of upper body of female
Species: Rineloricaria aff. latirostris
Caption: Ventral view of upper body of male
Species: Ancistrus dolichopterus
Caption: Ventral view, female
Species: Pseudancistrus kwinti
Caption: Ventral view, male
Species: Corydoras(ln6) paleatus
Caption: Video - Female laying eggs
Species: Ancistrus sp. `RIO FORMOSO II`
Caption: view of belly after capture (female)
Species: Synodontis soloni
Caption: Wild male
Species: Ancistrus cf. cirrhosus
Caption: Young male
Species: Ancistrus cf. cirrhosus
Caption: Young male
Species: Ancistrus sp. (L338)
Caption: Young male
Species: Ancistrus sp. `RIO PARAGUAY`
Caption: Young Male
Species: Pseudacanthicus sp. (L452)
Caption: Young male