- Copadichromis mbenji
- Copadichromis mloto
- Copadichromis nkatae
- Copadichromis pleurostigma
- Copadichromis pleurostigmoides
- Copadichromis prostoma
- Copadichromis quadrimaculatus
- Copadichromis sp. nov. 'Virginalis Kajose'
- Copadichromis thinos
- Copadichromis trewavasae
- Verduya's hap
- Copadichromis verduyni
- Copadichromis virginalis
- tayrona blenny
- houting
- northern whitefish
- bottom whitefish
- Coregonus trybomi
- Corematodus shiranus
- Corematodus taeniatus
- rough sculpin
- shoshone sculpin
- wood river sculpin
- Cottus petiti
- siberian bullhead
- klamath lake sculpin
- pygmy sculpin
- slender sculpin
- darling river hardyhead
- finke river hardyhead
- dalhousie hardyhead
- murray hardyhead
- glovers hardyhead
- drysdale hardyhead
- Kailola's hardyhead
- kutubu hardyhead
- prince regent hardyhead
- magela hardyhead
- pima hardyhead
- burrowing goby
- humpback grouper
- Ctenochromis aff. pectoralis
- Ctenochromis benthicola
- Ctenochromis horei
- Ctenochromis pectoralis
- blackspot climbing perch
- Ctenopharynx nitidus
- Ctenopharynx pictus
- Cualac tessellatus
- Cunningtonia longiventralis
- Cyathochromis obliquidens
- featherfin cichlid
- brasilia lyrefin
- annual tropical killifish
- Cynotilapia axelrodi
- Cynotilapia zebroides
- Cyprichromis leptosoma
- Cyprichromis microlepidotus
- Cyprinodon alvarezi
- Cyprinodon atrorus
- Cyprinodon beltrani
- Cyprinodon bifasciatus
- leon springs pupfish
- Cyprinodon ceciliae
- comanche springs pupfish
- perrito de carbonera
- cachorrito de la trinidad
- cachorrito cangrejero
- perrito de parras
- cachorrito de charco palmal
- largescale pupfish
- cachorrito gigante
- cachorrito de mezquital
- cachorrito del aguanaval
- cachorrito cabezon
- pecos pupfish
- owens pupfish
- cachorrito boxeador
- perritos de sandia
- white sands pupfish
- cachorrito de dorsal larga
- cachorrito de charco azul
- marbled grouper
- smooth grouper
- Dermogenys megarramphus
- Dermogenys weberi
- malawi eyebiter
- ncheni type haplochromis
- Dimidiochromis kiwinge
- haplochromis sunset
- Dinotopterus cunningtoni
- Diplomystes camposensis
- tollo de agua dulce
- Diplomystes nahuelbutensis
- Diplotaxodon aeneus
- Diplotaxodon apogon
- Diplotaxodon argenteus
- Diplotaxodon ecclesi
- Diplotaxodon greenwoodi
- Diplotaxodon limnothrissa
- Diplotaxodon macrops
- Distichodus petersii
- Distichodus rufigiensis
- Docimodus evelynae
- Docimodus johnstonii
- banded pipefish
- Eclectochromis lobochilus
- Eclectochromis ornatus
- Economidichthys pygmaeus
- Economidichthys pygmeus
- nanogoviós
- Ectodus descampsi
- carolina pygmy sunfish
- bluebarred pygmy sunfish
- broadhead sleeper
- Eleotris pellegrini
- oopu
- Eleotris vomerodentata
- Encheloclarias curtisoma
- Encheloclarias kelioides
- Encheloclarias prolatus
- Encheloclarias tapeinopterus
- Enterochromis paropius
- Entomacrodus cadenati
- black-arse cod
- hong kong grouper
- captain fine
- brown-spotted rockcod
- banded grouper
- estuary cod
- calico grouper
- 10-spine grouper
- brown-marbled grouper
- marquesan grouper
- Epinephelus marginatus
- red grouper
- Epinephelus nigritus
- snowy grouper
- camouflage grouper
- hawaiian grouper
- tanganyika clown
- sharphead darter
- coppercheek darter
- dardo de conchos
- ashy darter
- arkansas darter
- coldwater darter
- rio grande darter
- kanawha darter
- redband darter
- spotted darter
- pinewoods darter
- yellowcheek darter
- niangua darter
- finescale saddled darter
- paleback darter
- eastern sand darter
- mexican darter
- bayou darter
- striated darter
- trispot darter
- tuscumbia darter
- boulder darter
- little dragonfish
- hawaiian sea-moth fish
- threespot torpedo
- Fossorochromis rostratus
- barrens topminnow
- waccamaw killifish
- swan galaxias
- Galaxias globiceps
- clarence galaxias
- small pedder galaxias
- chathams galaxias
- saddled galaxias
- western mud minnow
- black-striped minnow
- Gambusia aestiputeus
- guayacon de san gregorio
- big bend gambusia
- clear creek gambusia
- guayacon de hacienda dolores
- Gambusia krumholzi
- guayacon de cuatro cienegas
- pecos gambusia
- guayacon pinto
- Gambusia speciosa
- Genyochromis mento
- Gephyrochromis lawsi
- Gephyrochromis moorii
- Girardinichthys multiradiatus
- mexclapique
- Glossogobius ankaranensis
- sleepy goby
- Glossogobius flavipinnis
- Hoese's goby
- Glossogobius intermedius
- Glossogobius matanensis
- spotted rainbowfish
- tami river rainbowfish
- ramu rainbowfish
- lake wanam rainbowfish
- Gnathochromis permaxillaris
- Gnathochromis pfefferi
- longnose stonebasher
- Gobitrichinotus arnoulti
- Gobius hypselosoma
- tiger goby
- Goodea gracilis
- Greenwoodochromis bellcrossi
- Greenwoodochromis christyi
- Gymnocephalus acerina
- Balon's ruffe
- schraetzer
- naked characin
- Greenway's grunter
- Haplochromis acidens
- Haplochromis aelocephalus
- Haplochromis aeneocolor
- Haplochromis aff. bloyeti
- Haplochromis angustifrons
- Haplochromis annectidens
- Haplochromis arcanus
- Haplochromis argenteus
- Haplochromis artaxerxes
- Haplochromis barbarae
- Haplochromis bartoni
- Haplochromis bayoni
- Haplochromis boops
- Haplochromis brownae
- Haplochromis burtoni
- Haplochromis cassius
- Haplochromis cavifrons
- Haplochromis chilotes
- Haplochromis chromogynos
- Haplochromis crebidens
- Haplochromis cryptodon
- Haplochromis cyaneus
- Haplochromis decticostoma
- Haplochromis dentex
- Haplochromis desfontainii
- Haplochromis eduardianus
- Haplochromis elegans
- Haplochromis erythromaculatus
- Haplochromis estor
- Haplochromis flaviijosephi
- Haplochromis flavipinnis
- Haplochromis flavus
- Haplochromis gilberti
- Haplochromis gowersi
- haplochromis torpedo stripe
- Haplochromis graueri
- Haplochromis guiarti
- Haplochromis heusinkveldi
- Haplochromis howesi
- Haplochromis insidae
- Haplochromis ishmaeli
- Haplochromis kamiranzovu
- katavi mouthbrooder
- Haplochromis labiatus
- Haplochromis laprogramma
- Haplochromis latifasciata
- Haplochromis limax
- Haplochromis lividus
- Haplochromis longirostris
- Haplochromis macconneli
- Haplochromis macrognathus
- Haplochromis macropsoides
- Haplochromis maculipinna
- Haplochromis mandibularis
- Haplochromis martini
- Haplochromis megalops
- Haplochromis melanopterus
- Haplochromis mento
- Haplochromis michaeli
- Haplochromis microchrysomelas
- Haplochromis microdon
- Haplochromis mylergates
- Haplochromis mylodon
- Haplochromis nanoserranus
- Haplochromis nigrescens
- Haplochromis nigripinnis
- Haplochromis nigroides
- Haplochromis nubilus
- Haplochromis nyanzae
- Haplochromis obliquidens
- Haplochromis obtusidens
- Haplochromis occultidens
- Haplochromis olivaceus
- Haplochromis oregosoma
- Haplochromis pachycephalus
- Haplochromis paludinosa
- Haplochromis pappenheimi
- Haplochromis paraguiarti
- Haplochromis paraplagiostoma
- Haplochromis paucidens
- Haplochromis percoides
- Haplochromis perrieri
- Haplochromis petronius
- Haplochromis pharyngomylus
- Haplochromis phytophagus
- Haplochromis piceatus
- Haplochromis plagiodon
- Haplochromis plagiostoma
- Haplochromis prognathus
- Haplochromis pseudopellegrini
- Haplochromis pyrrhocephalus
- Haplochromis riponianus
- Haplochromis rubescens
- Haplochromis rudolfianus
- Haplochromis sauvagei
- Haplochromis saxicola
- Haplochromis scheffersi
- Haplochromis schubotzi
- Haplochromis schubotziellus
- Haplochromis serranus
- Haplochromis simpsoni
- Haplochromis sp. nov. 'Amboseli'
- Haplochromis sp. nov. 'Chala'
- Haplochromis sp. nov. 'Migori'
- Haplochromis sp. nov. 'ruby'
- Haplochromis spekii
- Haplochromis squamipinnis
- Haplochromis stappersii
- Haplochromis taurinus
- Haplochromis teegelaari
- Haplochromis thuragnathus
- Haplochromis turkanae
- Haplochromis tweddlei
- Haplochromis velifer
- Haplochromis venator
- Haplochromis victorianus
- Haplochromis vittatus
- Haplochromis worthingtoni
- Haplochromis xenognathus
- Haplotaxodon microlepis
- Harpagochromis sp. nov. 'frogmouth'
- giant haplochromis
- Adamson's grunter
- long-nose sooty grunter
- striped grunter
- threespot grunter
- Heteropneustes microps
- west african seahorse
- narrow-bellied seahorse
- Barbour's seahorse
- réunion seahorse
- knobby seahorse
- giraffe seahorse
- cape seahorse
- tiger tail seahorse
- crowned seahorse
- Denise's pygmy seahorse
- Fisher's seahorse
- sea pony
- long-snouted seahorse
- pacific seahorse
- Jayakar's seahorse
- great seahorse
- common seahorse
- Lichtenstein's seahorse
- bullneck seahorse
- japanese seahorse
- longsnout seahorse
- Shiho's seahorse
- hedgehog seahorse
- tiger snout seahorse
- flat-faced seahorse
- new holland seahorse
- zebra seahorse
- dwarf seahorse
- Graham's stonebasher
- Horaglanis krishnai
- Hubbsina turneri
- masked hamlet
- golden gudgeon
- golden sleeper
- slender gudgeon
- barnett river gudgeon
- prince regent gudgeon
- Hypseleotris tohizonae
- ruwenzori lampeye
- bagre del panuco
- bagre lobo
- bagre de rio verde
- bagre de yaqui
- southern little pipehorse
- Ilyodon whitei
- Iodotropheus declivitas
- Iodotropheus stuartgranti
- venezuelan herring
- Julidochromis dickfeldi
- Julidochromis marlieri
- golden julie
- convict julie
- masked julie
- mitchell gudgeon
- drysdale gudgeon
- glass blue-eye
- Kneria ruaha
- Kneria rukwaensis
- Kneria uluguru
- Knipowitschia caucasica
- Knipowitschia croatica
- Knipowitschia ephesi
- Knipowitschia goerneri
- Knipowitschia mermere
- Knipowitschia milleri
- Knipowitschia panizzae
- Knipowitschia punctatissima
- thessalogovinós
- dikume
- konye
- scaleless killifish
- spotted flagtail
- blue mbuna
- scrapermouth mbuna
- Labidochromis chisumluae
- chisumulu pearl
- Labidochromis freibergi
- Labidochromis gigas
- Labidochromis heterodon
- Labidochromis ianthinus
- Labidochromis lividus
- Labidochromis maculicauda
- Labidochromis mathotho
- Labidochromis mbenjii
- Labidochromis mylodon
- Labidochromis pallidus
- Labidochromis shiranus
- Labidochromis strigatus
- Labidochromis textilis
- Labidochromis vellicans
- Labidochromis zebroides
- Laciris pelagicus
- Lagocephalus gloveri
- tanganyika killifhish
- Lamprologus callipterus
- Lamprologus finalimus
- Lamprologus kungweensis
- Lamprologus lemairii
- Lamprologus ornatipinnis
- Lamprologus signatus
- tanganyika lates
- albert lates
- bigeye lates
- forktail lates
- sleek lates
- fortesque grunter
- large-scale grunter
- oopu alamoo
- Lentipes whittenorum
- Lepidiolamprologus attenuatus
- Lepidiolamprologus cunningtoni
- Lepidiolamprologus elongatus
- Lepidiolamprologus kendalli
- Lepidiolamprologus nkambae
- Lepidiolamprologus profundicola
- Leptoglanis wamiensis
- Leptolebias marmoratus
- annual tropiacl killifish
- Leptolebias opalescens
- Leptolebias splendens
- Lestradea perspicax
- Lestradea stappersii
- Lethrinops albus
- Lethrinops altus
- Lethrinops argenteus
- golden sand-eater
- Lethrinops christyi
- greenface sandsifter
- Lethrinops gossei
- Lethrinops leptodon
- Lethrinops lethrinus
- Lethrinops longimanus
- Lethrinops longipinnis
- Lethrinops lunaris
- Lethrinops macracanthus
- Lethrinops macrochir
- Lethrinops macrophthalmus
- lethrinops rounded head
- Lethrinops micrentodon
- Lethrinops microdon
- littletooth sandeater
- Lethrinops oculatus
- lethrinops red flush
- Lethrinops polli
- Lethrinops stridae
- Lethrinops turneri
- malawi gar
- Limnochromis abeelei
- spangled cichlid
- Limnochromis staneri
- lake tanganyika sardine
- Limnotilapia dardennii
- Liobagrus nigricauda
- Liosaccus pachygaster
- Lipochromis maxillaris
- Lipochromis sp. nov. 'backflash cryptodon'
- Lipochromis sp. nov. 'small obesoid'
- Lipochromis sp. nov. 'black cryptodon'
- Lipochromis sp. nov. 'parvidens-like'
- Lithochromis rubripinnis
- Lithochromis rufus
- Lithochromis xanthopteryx
- white steenbras
- saint lucia mullet
- Lobochilotes labiatus
- Lophiobagrus aquilus
- Lophiobagrus brevispinis
- african bullhead
- sardinilla cuatro cienegas
- Lucifuga simile
- new providence cusk-eel
- Lucifuga subterranea
- Lucifuga teresinarum
- Luciogobius albus
- Luciogobius pallidus
- mutton snapper
- cubera snapper
- Macropleurodus bicolor
- ornate paradisefish
- Marcusenius livingstonii
- Marcusenius sp. nov. 'Malindi'
- Marcusenius sp. nov. 'Turkwell'
- victoria stonebasher
- Mastacembelus albomaculatus
- Mastacembelus cunningtoni
- Mastacembelus ellipsifer
- Mastacembelus flavidus
- Mastacembelus micropectus
- Mastacembelus moorii
- Mastacembelus ophidium
- Mastacembelus plagiostomus
- Mastacembelus platysoma
- malawi spinyeel
- Mastacembelus tanganicae
- zebra spinyeel
- Maylandia aurora
- Maylandia barlowi
- Maylandia benetos
- Maylandia callainos
- Maylandia chrysomallos
- Maylandia crabro
- Maylandia cyneusmarginata
- Maylandia elegans
- Maylandia emmiltos
- Maylandia fainzilberi
- William's mbuna
- Maylandia hajomaylandi
- Maylandia heteropicta
- Maylandia livingstonii
- Maylandia mbenjii
- Maylandia melabranchion
- Maylandia phaeos
- Maylandia pursa
- Maylandia pyrsonotos
- Maylandia sandaracinos
- Maylandia thapsinogen
- Maylandia xanstomachus
- zebra mbuna
- Mbipia lutea
- Mbipia mbipi
- cachorrito enano de potosi
- Melanochromis baliodigma
- Melanochromis benetos
- Melanochromis brevis
- Melanochromis chipokae
- Melanochromis cyaneorhabdos
- Melanochromis dialeptos
- Melanochromis elastodema
- Melanochromis heterochromis
- Melanochromis interruptus
- pearl of likoma
- Melanochromis labrosus
- Melanochromis lepidiadaptes
- Melanochromis loriae
- Melanochromis melanopterus
- Melanochromis mellitus
- parallel striped mbuna
- Melanochromis perileucos
- Melanochromis robustus
- Melanochromis simulans
- purple mbuna
- Melanochromis xanthodigma
- ajamaru lakes rainbowfish
- yakati rainbowfish
- arfak rainbowfish
- Boeseman's rainbowfish
- waigeo rainbowfish
- corona rainbowfish
- lake eacham rainbowfish
- exquisite rainbowfish
- slender rainbowfish
- lake tebera rainbowfish
- strickland rainbowfish
- lake kutubu rainbowfish
- Mayland's rainbowfish
- misool rainbowfish
- mountain rainbowfish
- Ogilby's rainbowfish
- oktedi rainbowfish
- papuan rainbowfish
- lake kurumoi rainbowfish
- pima river rainbowfish
- dwarf rainbowfish
- pygmy rainbowfish
- fly river rainbowfish
- van Heurn's rainbowfish
- key silverside
- waccamaw silverside
- Mesogobius batrachocephalus
- Mesopristes elongatus
- Micralestes stormsi
- Micralestes vittatus
- Microctenopoma damasi
- slender pipefish
- spinach pipefish
- Micropterus treculi
- blind gudgeon
- black mogurnda
- kokoda mogurnda
- eastern mogurnda
- blotched mogurnda
- variegated mogurnda
- striped mogurnda
- Monopterus boueti
- Monopterus indicus
- Bernhard's elephant-snout fish
- Mormyrus caschive
- Mormyrus hildebrandti
- Mormyrus macrocephalus
- athi elephant-snout fish
- Mugilogobius adeia
- Mugilogobius latifrons
- myaka myaka
- venezuelan grouper
- gulf grouper
- sailfin grouper
- sawtail grouper
- leopard grouper
- mottled grouper
- tiger grouper
- Mylochromis anaphyrmus
- Mylochromis balteatus
- Mylochromis epichorialis
- Mylochromis ericotaenia
- Mylochromis formosus
- Mylochromis guentheri
- golden mola hap
- Mylochromis labidodon
- basket hap
- haplochromis yellow black line
- Mylochromis melanotaenia
- Mylochromis mola
- softy hap
- Mylochromis obtusus
- Mylochromis plagiotaenia
- Mylochromis semipalatus
- roundtooth hap
- Mylochromis subocularis
- fourhorn sculpin
- freshwater mullet
- Naevochromis chrysogaster
- Neochromis gigas
- Neochromis greenwoodi
- Neochromis nigricans
- Neochromis omnicaeruleus
- Neochromis rufocaudalis
- Neochromis simotes
- Neogobius fluviatilis
- Neogobius gymnotrachelus
- Kessler's goby
- Neogobius melanostomus
- Neogobius syrman
- Neolamprologus boulengeri
- Neolamprologus buescheri
- Neolamprologus caudopunctatus
- Neolamprologus christyi
- Neolamprologus crassus
- Neolamprologus falcicula
- Neolamprologus fasciatus
- Neolamprologus furcifer
- Neolamprologus gracilis
- Neolamprologus hecqui
- Neolamprologus leloupi
- Neolamprologus longior
- Neolamprologus meeli
- Neolamprologus modestus
- Neolamprologus mondabu
- Neolamprologus moorii
- Neolamprologus mustax
- Neolamprologus niger
- Neolamprologus obscurus
- Neolamprologus olivaceous
- Neolamprologus petricola
- Neolamprologus pleuromaculatus
- Neolamprologus prochilus
- Neolamprologus pulcher
- Neolamprologus savoryi
- Neolamprologus schreyeni
- Neolamprologus sexfasciatus
- Neolamprologus splendens
- fourspine cichlid
- Neolamprologus tetrocephalus
- Neolamprologus toae
- Neolamprologus wauthioni
- ariakehimeshirauo
- Nimbochromis fuscotaeniatus
- Nimbochromis linni
- poso halfbeak
- Nomorhamphus towoeti
- Nothobranchius aff. taeniopygus
- Nothobranchius albimarginatus
- Nothobranchius annectens
- boji plains nothobranch
- Nothobranchius eggersi
- elongate nothobranch
- Nothobranchius flammicomantis
- Nothobranchius foerschi
- Nothobranchius fuscotaeniatus
- Nothobranchius geminus
- redtail notho
- kikambala nothobranch
- Nothobranchius janpapi
- Nothobranchius jubbi
- Nothobranchius kilomberoensis
- redfin notho
- Nothobranchius korthausae
- Nothobranchius lourensi
- Nothobranchius luekei
- blackspotted nothobranch
- small scaled nothobranch
- Nothobranchius neumanni
- Nothobranchius ocellatus
- spotted killifish
- Nothobranchius palmqvisti
- blue notho
- red victoria nothobranch
- Nothobranchius rubripinnis
- caprivi killifish
- Nothobranchius sp. nov. 'Lake Victoria'
- Nothobranchius steinforti
- striped nothobranch
- uganda nothobranch
- mnanzini nothobranch
- smoky madtom
- yellowfin madtom
- carolina madtom
- orangefin madtom
- frecklebelly madtom
- pygmy madtom
- caddo madtom
- scioto madtom
- Nyassachromis breviceps
- small green utaka
- Nyassachromis microcephalus
- Nyassachromis nigritaeniatus
- Nyassachromis purpurans
- Nyassachromis serenus
- Ogilbia galapagosensis
- dama ciega blanca
- kei goby
- kutubu tandan
- mexican golden trout
- Oncorhynchus formosanus
- satsukimasu salmon
- iwame trout
- blind cave eel
- anguila ciega
- Ophthalmotilapia boops
- Ophthalmotilapia heterodonta
- Ophthalmotilapia nasuta
- Ophthalmotilapia ventralis
- Oreochromis alcalicus
- Oreochromis amphimelas
- Oreochromis chungruruensis
- singidia tilapia
- lake chala tilapia
- jipe tilapia
- karomo
- Oreochromis karongae
- Oreochromis korogwe
- Oreochromis latilabris
- Oreochromis leucostictus
- Oreochromis lidole
- Oreochromis mweruensis
- Oreochromis ndalalani
- Oreochromis pangani
- lake rukwa tilapia
- Oreochromis squamipinnis
- Oreochromis tanganicae
- Oreochromis variabilis
- Oreoglanis siamensis
- Orestias chungarensis
- Orestias laucaensis
- Orestias parinacotensis
- Orthochromis kasuluensis
- Orthochromis luichensis
- Orthochromis malagaraziensis
- Orthochromis mazimeroensis
- Orthochromis mosoensis
- Orthochromis rubrolabialis
- Orthochromis rugufuensis
- Orthochromis uvinzae
- Oryzias celebensis
- Oryzias marmoratus
- Oryzias matanensis
- black buntingi
- buntingi
- Oryzias profundicola
- pygmy smelt
- Otopharynx argyrosoma
- golden-margined hap
- Otopharynx brooksi
- Otopharynx decorus
- royal blue hap
- Otopharynx lithobates
- Otopharynx ovatus
- Otopharynx pachycheilus
- Otopharynx selenurus
- Otopharynx speciosus
- Otopharynx tetraspilus
- Otopharynx tetrastigma
- aristochromis deep
- paniai gudgeon
- Oxylapia polli
- Pachypanchax omalonotus
- Pachypanchax sakaramyi
- Pachypanchax sp. nov. 'Analava'
- Pachypanchax sp. nov. 'Anjingo'
- Pachypanchax sp. nov. 'Betsiboka'
- Pachypanchax sp. nov. 'Sofia'
- Pachypanchax sp. nov. 'Talio'
- Pachypanchax sp. nov. 'Tsiribihina'
- Pachypanchax sp. nov. 'Varatraza'
- Padogobius bonelli
- arno goby
- red porgy
- Pallidochromis tokolosh
- Pantanodon madagascariensis
- Pantanodon sp. nov. 'Manombo'
- eastcoast lampeye
- blackthroat goby
- tropical sand goby
- Paracyprichromis brieni
- Paracyprichromis nigripinnis
- arthurs paragalaxias
- Parakneria spekii
- Parakneria tanzaniae
- Paralabidochromis beadlei
- Paralabidochromis chromogynos
- Paralabidochromis crassilabris
- Paralabidochromis victoriae
- high-finned glass perchlet
- Paratherina cyanea
- Paratherina labiosa
- Paratherina striata
- Paratherina wolterecki
- Paratilapia bleekeri
- Paratilapia sp. nov. 'Fiamanga'
- Paratilapia sp. nov. 'Lac Ihotry'
- Paratilapia sp. nov. 'Vevembe'
- Paratilapia typus
- Paretroplus dambabe
- damba
- kotsovato
- damba mipentina
- Paretroplus maromandia
- Paretroplus menarambo
- Paretroplus nourissati
- kotso
- Paretroplus polyactis
- Paretroplus sp. nov. 'Dridri mena'
- Paretroplus sp. nov. 'Giant Lamena'
- Paretroplus sp. nov. 'Sofia'
- Paretroplus sp. nov. 'Ventitry'
- Paretroplus tsimoly
- Pareutropius longifilis
- Parosphromenus harveyi
- Pegasus laternarius
- Pegasus volitans
- Percarina demidoffi
- blotchside logperch
- bluestripe darter
- conasauga logperch
- freckled darter
- longhead darter
- longnose darter
- stargazing darter
- Perissodus eccentricus
- Perissodus microlepis
- Petersius conserialis
- Petrochromis famula
- Petrochromis fasciolatus
- Petrochromis macrognathus
- Petrochromis orthognathus
- Petrochromis polyodon
- threadfin cichlid
- Petrotilapia chrysos
- Petrotilapia genalutea
- Petrotilapia nigra
- Petrotilapia tridentiger
- Phallostethus dunckeri
- Phyllonemus filinemus
- spatula-barbled catfish
- skulpin
- Pimelodella kronei
- gilberts grunter
- Midgley's grunter
- deep water hap
- Placidochromis hennydaviesae
- Placidochromis johnstoni
- Placidochromis longimanus
- super vc-10 hap
- Placidochromis phenochilus
- Placidochromis stonemani
- Placidochromis subocularis
- Platytaeniodus degeni
- Plecodus elaviae
- Plecodus multidentatus
- Plecodus paradoxus
- Plecodus straeleni
- Plectranthias chungchowensis
- coral trout
- yellowtail flounder
- charal de alchichica
- Poblana ferdebueni
- charal de la preciosa
- charal de quechulac
- molly del tamesi
- molly del teapa
- Poecilia vetiprovidentiae
- Poeciliopsis monacha
- charalito
- dark stonebasher
- Canestrini's goby
- deepwater jack
- guayacon ojiazul
- Prietella lundbergi
- bagre de muzquiz
- Priolepis robinsi
- Prognathochromis sp. nov. 'long snout'
- Prognathochromis worthingtoni
- Prognathochromis xenostoma
- Protemblemaria punctata
- tubenose goby
- Protomelas annectens
- Protomelas dejunctus
- fenestratus
- one-and-a-half-stripe hap
- Protomelas kirkii
- Protomelas labridens
- Protomelas macrodon
- Protomelas marginatus
- Protomelas pleurotaenia
- Protomelas similis
- Protomelas spilonotus
- Protomelas spilopterus
- Protomelas triaenodon
- Protomelas virgatus
- nekogigi
- Pseudobagrus medianalis
- pale dottyback
- egyptian mouthbrooder
- popondetta blue-eye
- forktail blue-eye
- cape blue-eye
- honey blue-eye
- Paska's blue-eye
- syr-darya shovelnose sturgeon
- small amu-dar shovelnose sturgeon
- false shovelnose sturgeon
- Pseudosimochromis curvifrons
- Pseudotropheus ater
- cyan hap
- Pseudotropheus demasoni
- elongate mbuna
- Pseudotropheus flavus
- Pseudotropheus fuscoides
- Pseudotropheus fuscus
- Pseudotropheus galanos
- Pseudotropheus longior
- Pseudotropheus lucerna
- Pseudotropheus minutus
- Pseudotropheus modestus
- Pseudotropheus perspicax
- Pseudotropheus purpuratus
- Pseudotropheus saulosi
- pindani
- Pseudotropheus tursiops
- red top williamsi
- Ptychochromis grandidieri
- Ptychochromis inornatus
- Ptychochromis oligacanthus
- Ptychochromis sp. nov. 'Garaka'
- Ptychochromis sp. nov. 'Green Garaka'
- Ptychochromis sp. nov. 'Joba mena'
- Ptychochromis sp. nov. 'Kotro'
- trondo mainty
