| Order | Family | Species | Status | FB name | Name |
| Characiformes | Alestidae | Alestes baremoze | native | Silversides | Asentiwoe |
| Characiformes | Alestidae | Alestes dentex | native | Characin | Asotiklapa |
| Siluriformes | Amphiliidae | Amphilius atesuensis | native | ||
| Cyprinodontiformes | Nothobranchiidae | Aphyosemion petersi | native | ||
| Cyprinodontiformes | Poeciliidae | Aplocheilichthys normani | native | Norman's lampeye | |
| Cyprinodontiformes | Poeciliidae | Aplocheilichthys pfaffi | native | Pfaff's lampeye | |
| Cyprinodontiformes | Poeciliidae | Aplocheilichthys rancureli | native | Rancurel's lampeye | |
| Cyprinodontiformes | Poeciliidae | Aplocheilichthys spilauchen | native | Banded lampeye | |
| Siluriformes | Ariidae | Arius gigas | native | Giant sea catfish | |
| Siluriformes | Ariidae | Arius latiscutatus | native | Rough-head sea catfish | |
| Siluriformes | Claroteidae | Auchenoglanis biscutatus | native | ||
| Siluriformes | Claroteidae | Auchenoglanis occidentalis | native | Bubu | Kpo |
| Perciformes | Gobiidae | Awaous lateristriga | native | West African freshwater goby | Kemegboe |
| Siluriformes | Bagridae | Bagrus bajad | native | Bayad | Avedzeame |
| Siluriformes | Bagridae | Bagrus docmak | native | Semutundu | Yalefo |
| Siluriformes | Bagridae | Bagrus filamentosus | native | ||
| Cypriniformes | Cyprinidae | Barbus ablabes | native | ||
| Cypriniformes | Cyprinidae | Barbus atakorensis | native | ||
| Cypriniformes | Cyprinidae | Barbus baudoni | native | ||
| Cypriniformes | Cyprinidae | Barbus bawkuensis | native | ||
| Cypriniformes | Cyprinidae | Barbus bynni occidentalis | native | Niger barb | Aflomegbogboe |
| Cypriniformes | Cyprinidae | Barbus bynni waldroni | native | ||
| Cypriniformes | Cyprinidae | Barbus callipterus | native | Clipper barb | |
| Cypriniformes | Cyprinidae | Barbus chlorotaenia | native | ||
| Cypriniformes | Cyprinidae | Barbus guildi | native | ||
| Cypriniformes | Cyprinidae | Barbus lagensis | native | ||
| Cypriniformes | Cyprinidae | Barbus leonensis | native | ||
| Cypriniformes | Cyprinidae | Barbus macrops | native | Blackstripe barb | |
| Cypriniformes | Cyprinidae | Barbus nigeriensis | native | ||
| Cypriniformes | Cyprinidae | Barbus parablabes | native | ||
| Cypriniformes | Cyprinidae | Barbus perince | native | ||
| Cypriniformes | Cyprinidae | Barbus punctitaeniatus | native | ||
| Cypriniformes | Cyprinidae | Barbus subinensis | endemic | ||
| Cypriniformes | Cyprinidae | Barbus sublineatus | native | ||
| Cypriniformes | Cyprinidae | Barbus trispilos | native | ||
| Cypriniformes | Cyprinidae | Barbus walkeri | native | ||
| Cypriniformes | Cyprinidae | Barbus wurtzi | native | ||
| Osteoglossiformes | Mormyridae | Brienomyrus brachyistius | native | ||
| Osteoglossiformes | Mormyridae | Brienomyrus niger | native | ||
| Characiformes | Alestidae | Brycinus brevis | native | Characin | |
| Characiformes | Alestidae | Brycinus imberi | native | Spot-tail | Dzogla dzevui |
| Characiformes | Alestidae | Brycinus leuciscus | native | Simegbogboe | |
| Characiformes | Alestidae | Brycinus longipinnis | native | Longfin tetra | Morganutewoe |
| Characiformes | Alestidae | Brycinus macrolepidotus | native | True big-scale tetra | Dzaflafa |
| Characiformes | Alestidae | Brycinus nurse | native | Nurse tetra | Atewoe |
| Osteoglossiformes | Mormyridae | Campylomormyrus tamandua | native | Wormjawed mormyrid | Lelovemasadine |
| Carcharhiniformes | Carcharhinidae | Carcharhinus leucas | native | Bull shark | |
| Cypriniformes | Cyprinidae | Chelaethiops bibie | native | Lake Turkana sardine | |
| Siluriformes | Mochokidae | Chiloglanis occidentalis | native | ||
| Siluriformes | Mochokidae | Chiloglanis voltae | native | ||
| Perciformes | Cichlidae | Chromidotilapia guentheri guentheri | native | Guenther's Mouthbrooder | Boto |
| Siluriformes | Claroteidae | Chrysichthys auratus | native | ||
| Siluriformes | Claroteidae | Chrysichthys johnelsi | native | ||
| Siluriformes | Claroteidae | Chrysichthys maurus | native | ||
| Siluriformes | Claroteidae | Chrysichthys nigrodigitatus | native | Bagrid catfish | Blolo |
| Siluriformes | Claroteidae | Chrysichthys walkeri | native | Catfish | |
| Characiformes | Citharinidae | Citharinops distichodoides distichodoides | native | Moon fish | |
| Characiformes | Citharinidae | Citharinops distichodoides thomasi | native | ||
| Characiformes | Citharinidae | Citharinus citharus citharus | native | Moon fish | Mleke |
| Characiformes | Citharinidae | Citharinus eburneensis | native | Wavihie | |
| Characiformes | Citharinidae | Citharinus latus | native | Moon fish | |
| Siluriformes | Clariidae | Clarias agboyiensis | native | Aswiri | |
| Siluriformes | Clariidae | Clarias anguillaris | native | Mudfish | Adewuyie |
| Siluriformes | Clariidae | Clarias ebriensis | native | Aswiri | |
| Siluriformes | Clariidae | Clarias gariepinus | native | North African catfish | |
| Siluriformes | Clariidae | Clarias laeviceps laeviceps | native | Catfish | Ndede |
| Siluriformes | Clariidae | Clarias macromystax | native | ||
| Siluriformes | Claroteidae | Clarotes laticeps | native | Widehead catfish | Kpo |
| Cypriniformes | Cyprinidae | Clypeobarbus hypsolepis | native | ||
| Gonorynchiformes | Kneriidae | Cromeria nilotica | native | Naked shellear | |
| Gonorynchiformes | Kneriidae | Cromeria occidentalis | native | ||
| Perciformes | Anabantidae | Ctenopoma kingsleyae | native | Tailspot ctenopoma | Klefoe |
| Perciformes | Anabantidae | Ctenopoma petherici | native | Klefoe | |
| Cypriniformes | Cyprinidae | Cyprinus carpio carpio | introduced | Common carp | |
| Anguilliformes | Ophichthidae | Dalophis boulengeri | native | ||
| Characiformes | Citharinidae | Distichodus brevipinnis | native | ||
| Characiformes | Citharinidae | Distichodus engycephalus | native | Perch | Agbasrakorgloe |
| Characiformes | Citharinidae | Distichodus rostratus | native | Grass-eater | Konte-gbasra |
| Perciformes | Eleotridae | Dormitator lebretonis | native | Kemenuti | |
| Perciformes | Eleotridae | Eleotris daganensis | native | ||
| Perciformes | Eleotridae | Eleotris vittata | native | Ekulo | |
| Elopiformes | Elopidae | Elops senegalensis | native | Senegalese ladyfish | |
| Cyprinodontiformes | Nothobranchiidae | Epiplatys bifasciatus bifasciatus | native | ||
| Cyprinodontiformes | Nothobranchiidae | Epiplatys bifasciatus taeniatus | native | ||
| Cyprinodontiformes | Nothobranchiidae | Epiplatys chaperi | native | Toothed carp | Tagbanyae |
| Cyprinodontiformes | Nothobranchiidae | Epiplatys dageti dageti | native | Redchin panchax | |
| Cyprinodontiformes | Nothobranchiidae | Epiplatys sexfasciatus sexfasciatus | native | Sixbar panchax | Tagbanyae |
| Cyprinodontiformes | Nothobranchiidae | Epiplatys spilargyreius | native | ||
| Clupeiformes | Clupeidae | Ethmalosa fimbriata | native | Bonga shad | Kokole |
| Cyprinodontiformes | Nothobranchiidae | Foerschichthys flavipinnis | native | ||
| Cyprinodontiformes | Nothobranchiidae | Fundulopanchax gularis | native | Gulare | |
| Cyprinodontiformes | Nothobranchiidae | Fundulopanchax walkeri | native | ||
| Cyprinodontiformes | Poeciliidae | Gambusia affinis | introduced | Mosquitofish | |
| Perciformes | Gobiidae | Gobioides sagitta | native | ||
| Osteoglossiformes | Gymnarchidae | Gymnarchus niloticus | native | Aba | Yor |
| Perciformes | Cichlidae | Hemichromis bimaculatus | native | Jewelfish | Sokpe |
| Perciformes | Cichlidae | Hemichromis fasciatus | native | Banded jewelfish | Boryi |
| Perciformes | Cichlidae | Hemichromis frempongi | native | ||
| Perciformes | Cichlidae | Hemichromis guttatus | native | ||
| Characiformes | Hepsetidae | Hepsetus odoe | native | Kafue pike | Akao |
| Siluriformes | Clariidae | Heterobranchus bidorsalis | native | African catfish | Adewudzea |
| Siluriformes | Clariidae | Heterobranchus isopterus | native | ||
| Siluriformes | Clariidae | Heterobranchus longifilis | native | Vundu | Wonyi |
| Osteoglossiformes | Arapaimidae | Heterotis niloticus | native | Heterotis | Fa |
| Osteoglossiformes | Mormyridae | Hippopotamyrus harringtoni | questionable | ||
| Osteoglossiformes | Mormyridae | Hippopotamyrus pictus | native | Lobokoe | |
| Osteoglossiformes | Mormyridae | Hippopotamyrus psittacus | native | Wakalevi | |
| Characiformes | Alestidae | Hydrocynus brevis | native | Tiger-fish | Tsinu vowo |
| Characiformes | Alestidae | Hydrocynus forskahlii | native | Tiger fish | |
| Characiformes | Alestidae | Hydrocynus somonorum | native | ||
| Characiformes | Alestidae | Hydrocynus vittatus | native | Tiger fish | Avuwo kordzeasa |
| Osteoglossiformes | Mormyridae | Hyperopisus bebe bebe | native | Liwoe gokpo | |
| Osteoglossiformes | Mormyridae | Hyperopisus bebe occidentalis | native | ||
| Siluriformes | Schilbeidae | Irvineia voltae | native | Butterfish | Agbeho |
| Perciformes | Eleotridae | Kribia kribensis | native | ||
| Perciformes | Eleotridae | Kribia nana | native | ||
| Cypriniformes | Cyprinidae | Labeo brachypoma | native | African carp | |
| Cypriniformes | Cyprinidae | Labeo coubie | native | African carp | Agbombo |
| Cypriniformes | Cyprinidae | Labeo parvus | native | African carp | |
| Cypriniformes | Cyprinidae | Labeo senegalensis | native | African carp | |
| Clupeiformes | Clupeidae | Laeviscutella dekimpei | native | Roundbelly pellonuline | |
| Perciformes | Latidae | Lates niloticus | native | Nile perch | Dzo |
| Characiformes | Alestidae | Lepidarchus adonis | native | Jellybean tetra | |
| Cypriniformes | Cyprinidae | Leptocypris niloticus | native | ||
| Perciformes | Cichlidae | Limbochromis robertsi | endemic | ||
| Perciformes | Lutjanidae | Lutjanus dentatus | native | African brown snapper | Esoe |
| Perciformes | Lutjanidae | Lutjanus endecacanthus | native | Guinea snapper | |
| Siluriformes | Malapteruridae | Malapterurus beninensis | native | ||
| Siluriformes | Malapteruridae | Malapterurus electricus | native | Electric catfish | Dzidzi |
| Siluriformes | Malapteruridae | Malapterurus minjiriya | native | ||
| Siluriformes | Malapteruridae | Malapterurus murrayi | endemic | ||
| Siluriformes | Malapteruridae | Malapterurus tanoensis | native | ||
| Osteoglossiformes | Mormyridae | Marcusenius abadii | native | Balakoto | |
| Osteoglossiformes | Mormyridae | Marcusenius cyprinoides | questionable | ||
| Osteoglossiformes | Mormyridae | Marcusenius furcidens | native | ||
| Osteoglossiformes | Mormyridae | Marcusenius senegalensis senegalensis | native | ||
| Osteoglossiformes | Mormyridae | Marcusenius ussheri | native | ||
| Synbranchiformes | Mastacembelidae | Mastacembelus nigromarginatus | native | Spiny eel | |
| Synbranchiformes | Mastacembelidae | Mastacembelus praensis | endemic | ||
| Elopiformes | Megalopidae | Megalops atlanticus | native | Tarpon | Manyofle |
| Characiformes | Alestidae | Micralestes acutidens | native | Sharptooth tetra | |
| Characiformes | Alestidae | Micralestes elongatus | native | Elongated Turkana robber | |
| Characiformes | Alestidae | Micralestes occidentalis | native | ||
| Characiformes | Alestidae | Micralestes pabrensis | native | ||
| Syngnathiformes | Syngnathidae | Microphis brachyurus aculeatus | native | ||
| Osteoglossiformes | Mormyridae | Mormyrops anguilloides | native | Cornish jack | Noagbe |
| Osteoglossiformes | Mormyridae | Mormyrops breviceps | native | ||
| Osteoglossiformes | Mormyridae | Mormyrus hasselquistii | native | Elephant snout | |
| Osteoglossiformes | Mormyridae | Mormyrus macrophthalmus | native | Mormyrids | |
| Osteoglossiformes | Mormyridae | Mormyrus rume rume | native | Mormyrids | Liwoe gordorgor |
| Osteoglossiformes | Mormyridae | Mormyrus subundulatus | native | ||
| Mugiliformes | Mugilidae | Mugil cephalus | native | Flathead mullet | |
| Characiformes | Citharinidae | Nannaethiops unitaeniatus | questionable | Oneline tetra | Agbongbo-korfua |
| Characiformes | Citharinidae | Nannocharax ansorgii | native | ||
| Characiformes | Citharinidae | Nannocharax fasciatus | native | ||
| Perciformes | Gobiidae | Nematogobius maindroni | native | ||
| Characiformes | Citharinidae | Neolebias unifasciatus | native | Sakisi | |
| Cyprinodontiformes | Nothobranchiidae | Nothobranchius kiyawensis | native | ||
| Cyprinodontiformes | Nothobranchiidae | Nothobranchius thierryi | native | Togo Killifish | |
| Siluriformes | Claroteidae | Notoglanidium walkeri | native | Catfish | |
| Clupeiformes | Clupeidae | Odaxothrissa ansorgii | native | Ansorge's fangtooth pellonuline | |
| Clupeiformes | Clupeidae | Odaxothrissa mento | native | Nigerian fangtooth pellonuline | Deyi |
| Synbranchiformes | Synbranchidae | Ophisternon afrum | native | Guinea swamp eel | |
| Perciformes | Cichlidae | Oreochromis macrochir | introduced | Longfin tilapia | Akpakpodzie |
| Perciformes | Cichlidae | Oreochromis niloticus niloticus | native | Nile tilapia | Akpafiatsi |
| Osteoglossiformes | Notopteridae | Papyrocranus afer | native | Reticulate knifefish | |
| Perciformes | Channidae | Parachanna obscura | native | Snake-head | Huati |
| Characiformes | Citharinidae | Paradistichodus dimidiatus | native | ||
| Siluriformes | Schilbeidae | Parailia pellucida | native | Glass schilbid | Genugbe |
| Clupeiformes | Clupeidae | Pellonula leonensis | native | Smalltoothed pellonula | Totivi |
| Osteoglossiformes | Mormyridae | Petrocephalus bane bane | native | ||
| Osteoglossiformes | Mormyridae | Petrocephalus bovei bovei | native | Mormyrids | |
| Osteoglossiformes | Mormyridae | Petrocephalus pallidomaculatus | native | ||
| Osteoglossiformes | Mormyridae | Petrocephalus pellegrini | native | ||
| Osteoglossiformes | Mormyridae | Petrocephalus simus | native | Mormyrids | |
| Osteoglossiformes | Mormyridae | Petrocephalus soudanensis | native | ||
| Siluriformes | Amphiliidae | Phractura clauseni | native | ||
| Osteoglossiformes | Mormyridae | Pollimyrus adspersus | native | ||
| Osteoglossiformes | Mormyridae | Pollimyrus isidori isidori | native | Elephant Fish | |
| Polypteriformes | Polypteridae | Polypterus bichir bichir | native | Nile bichir | |
| Polypteriformes | Polypteridae | Polypterus endlicheri endlicheri | native | Saddled bichir | Tsimina |
| Polypteriformes | Polypteridae | Polypterus palmas palmas | native | Shortfin bichir | |
| Polypteriformes | Polypteridae | Polypterus retropinnis | native | West African bichir | |
| Polypteriformes | Polypteridae | Polypterus senegalus senegalus | native | Gray bichir | Adeke |
| Perciformes | Haemulidae | Pomadasys jubelini | native | Sompat grunt | Akplortsu |
| Perciformes | Gobiidae | Porogobius schlegelii | native | ||
| Pristiformes | Pristidae | Pristis microdon | native | Largetooth sawfish | |
| Cyprinodontiformes | Poeciliidae | Procatopus schioetzi | native | Schiötz' lampeye | |
| Lepidosireniformes | Protopteridae | Protopterus annectens annectens | native | West African lungfish | Ahe |
| Cypriniformes | Cyprinidae | Raiamas macrostoma | native | ||
| Cypriniformes | Cyprinidae | Raiamas nigeriensis | native | Norgbeforfor | |
| Cypriniformes | Cyprinidae | Raiamas senegalensis | native | Silver fish | Torme sakli |
| Characiformes | Alestidae | Rhabdalestes septentrionalis | native | ||
| Perciformes | Cichlidae | Sarotherodon galilaeus galilaeus | native | Mango tilapia | Akpahie |
| Perciformes | Cichlidae | Sarotherodon galilaeus multifasciatus | native | ||
| Perciformes | Cichlidae | Sarotherodon melanotheron melanotheron | native | Blackchin tilapia | Akpanoe |
| Siluriformes | Schilbeidae | Schilbe intermedius | native | Silver catfish | |
| Siluriformes | Schilbeidae | Schilbe mandibularis | native | ||
| Siluriformes | Schilbeidae | Schilbe micropogon | native | ||
| Siluriformes | Schilbeidae | Schilbe mystus | native | African butter catfish | Tasaa |
| Clupeiformes | Clupeidae | Sierrathrissa leonensis | native | West African pygmy herring | |
| Siluriformes | Schilbeidae | Siluranodon auritus | native | Genua | |
| Perciformes | Cichlidae | Steatocranus irvinei | native | Cichlid | Dempe |
| Siluriformes | Mochokidae | Synodontis arnoulti | native | ||
| Siluriformes | Mochokidae | Synodontis bastiani | native | ||
| Siluriformes | Mochokidae | Synodontis clarias | native | Mandi | Atinu kpotokui |
| Siluriformes | Mochokidae | Synodontis courteti | native | ||
| Siluriformes | Mochokidae | Synodontis euptera | native | Featherfin squeaker | |
| Siluriformes | Mochokidae | Synodontis filamentosa | native | Catfish | |
| Siluriformes | Mochokidae | Synodontis gambiensis | native | Catfish | |
| Siluriformes | Mochokidae | Synodontis macrophthalma | native | ||
| Siluriformes | Mochokidae | Synodontis membranacea | native | Catfish | |
| Siluriformes | Mochokidae | Synodontis nigrita | native | Catfish | |
| Siluriformes | Mochokidae | Synodontis obesus | native | ||
| Siluriformes | Mochokidae | Synodontis ocellifer | native | Catfish | |
| Siluriformes | Mochokidae | Synodontis schall | native | Wahrindi | Kpo |
| Siluriformes | Mochokidae | Synodontis sorex | native | Afini | |
| Siluriformes | Mochokidae | Synodontis velifer | native | ||
| Siluriformes | Mochokidae | Synodontis violacea | native | ||
| Siluriformes | Mochokidae | Synodontis waterloti | native | ||
| Tetraodontiformes | Tetraodontidae | Tetraodon lineatus | native | Globe fish | Fovunalawoe |
| Perciformes | Cichlidae | Thysochromis ansorgii | native | ||
| Perciformes | Cichlidae | Tilapia busumana | native | Silla | |
| Perciformes | Cichlidae | Tilapia dageti | native | Silla | |
| Perciformes | Cichlidae | Tilapia discolor | native | ||
| Perciformes | Cichlidae | Tilapia guineensis | native | Guinean tilapia | Silla |
| Perciformes | Cichlidae | Tilapia mariae | native | Spotted tilapia | |
| Perciformes | Cichlidae | Tilapia zillii | native | Redbelly tilapia | Akpadi sila |
| Perciformes | Carangidae | Trachinotus teraia | native | Shortfin pompano | |
| Perciformes | Cichlidae | Tylochromis intermedius | native | ||
| Perciformes | Cichlidae | Tylochromis jentinki | native | Akpadekui |