| Order | Family | Species | Status | FB name | Name |
| Cyprinodontiformes | Nothobranchiidae | Aphyosemion bitaeniatum | native | Two-striped Aphyosemion | |
| Cyprinodontiformes | Nothobranchiidae | Aphyosemion calliurum | native | Banner lyretail | |
| Cyprinodontiformes | Poeciliidae | Aplocheilichthys normani | native | Norman'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 | Blolo |
| Siluriformes | Claroteidae | Auchenoglanis occidentalis | native | Bubu | |
| Perciformes | Gobiidae | Awaous lateristriga | native | West African freshwater goby | |
| Siluriformes | Bagridae | Bagrus bajad | native | Bayad | |
| Siluriformes | Bagridae | Bagrus docmak | native | Semutundu | |
| Cypriniformes | Cyprinidae | Barboides britzi | native | ||
| Cypriniformes | Cyprinidae | Barboides gracilis | native | ||
| Cypriniformes | Cyprinidae | Barbus ablabes | native | ||
| Cypriniformes | Cyprinidae | Barbus atakorensis | native | ||
| Cypriniformes | Cyprinidae | Barbus bynni occidentalis | native | Niger barb | |
| Cypriniformes | Cyprinidae | Barbus callipterus | native | Clipper barb | |
| Cypriniformes | Cyprinidae | Barbus chlorotaenia | native | ||
| Cypriniformes | Cyprinidae | Barbus leonensis | native | ||
| Cypriniformes | Cyprinidae | Barbus macinensis | native | ||
| Cypriniformes | Cyprinidae | Barbus macrops | native | Blackstripe barb | |
| Cypriniformes | Cyprinidae | Barbus stigmatopygus | native | ||
| Cypriniformes | Cyprinidae | Barbus sublineatus | native | ||
| Cypriniformes | Cyprinidae | Barbus sylvaticus | native | ||
| Osteoglossiformes | Mormyridae | Brienomyrus brachyistius | native | ||
| Osteoglossiformes | Mormyridae | Brienomyrus niger | native | ||
| Characiformes | Alestidae | Brycinus longipinnis | native | Longfin tetra | |
| Characiformes | Alestidae | Brycinus macrolepidotus | native | True big-scale tetra | |
| Characiformes | Alestidae | Brycinus nurse | native | Nurse tetra | |
| Osteoglossiformes | Mormyridae | Campylomormyrus tamandua | native | Wormjawed mormyrid | |
| Carcharhiniformes | Carcharhinidae | Carcharhinus leucas | native | Bull shark | Ehouatagbo |
| Perciformes | Cichlidae | Chromidotilapia guentheri guentheri | native | Guenther's Mouthbrooder | |
| Siluriformes | Claroteidae | Chrysichthys auratus | native | ||
| Siluriformes | Claroteidae | Chrysichthys nigrodigitatus | native | Bagrid catfish | |
| Siluriformes | Claroteidae | Chrysichthys walkeri | native | ||
| Characiformes | Citharinidae | Citharinus citharus citharus | native | Moon fish | |
| Characiformes | Citharinidae | Citharinus latus | native | ||
| Siluriformes | Clariidae | Clarias agboyiensis | native | ||
| Siluriformes | Clariidae | Clarias anguillaris | native | Mudfish | |
| Siluriformes | Clariidae | Clarias buthupogon | native | ||
| Siluriformes | Clariidae | Clarias camerunensis | native | ||
| Siluriformes | Clariidae | Clarias ebriensis | native | ||
| Siluriformes | Clariidae | Clarias gariepinus | native | North African catfish | |
| Siluriformes | Clariidae | Clarias macromystax | native | ||
| Gonorynchiformes | Kneriidae | Cromeria occidentalis | native | ||
| Perciformes | Anabantidae | Ctenopoma kingsleyae | native | Tailspot ctenopoma | |
| Perciformes | Anabantidae | Ctenopoma nigropannosum | native | Twospot climbing perch | |
| Perciformes | Anabantidae | Ctenopoma petherici | native | ||
| Anguilliformes | Ophichthidae | Dalophis boulengeri | native | ||
| Anguilliformes | Ophichthidae | Dalophis cephalopeltis | native | ||
| Clupeiformes | Denticipitidae | Denticeps clupeoides | native | ||
| Characiformes | Citharinidae | Distichodus rostratus | native | Grass-eater | |
| Perciformes | Eleotridae | Dormitator lebretonis | native | ||
| Perciformes | Eleotridae | Eleotris vittata | native | ||
| Elopiformes | Elopidae | Elops senegalensis | native | Senegalese ladyfish | Agba |
| Cyprinodontiformes | Nothobranchiidae | Epiplatys bifasciatus bifasciatus | native | ||
| Cyprinodontiformes | Nothobranchiidae | Epiplatys bifasciatus taeniatus | native | ||
| Cyprinodontiformes | Nothobranchiidae | Epiplatys grahami | native | ||
| Cyprinodontiformes | Nothobranchiidae | Epiplatys sexfasciatus sexfasciatus | native | Sixbar panchax | |
| Cyprinodontiformes | Nothobranchiidae | Epiplatys spilargyreius | native | ||
| Polypteriformes | Polypteridae | Erpetoichthys calabaricus | native | Reedfish | |
| Clupeiformes | Clupeidae | Ethmalosa fimbriata | native | Bonga shad | Tiaka |
| Cyprinodontiformes | Nothobranchiidae | Foerschichthys flavipinnis | native | ||
| Cyprinodontiformes | Nothobranchiidae | Fundulopanchax filamentosus | native | Plumed lyretail | |
| Cyprinodontiformes | Nothobranchiidae | Fundulopanchax gularis | native | Gulare | |
| Osteoglossiformes | Mormyridae | Gnathonemus petersii | native | Elephantnose fish | |
| Perciformes | Gobiidae | Gobioides sagitta | native | ||
| Perciformes | Gobiidae | Gobionellus oceanicus | native | Highfin goby | |
| Siluriformes | Clariidae | Gymnallabes typus | native | ||
| Osteoglossiformes | Gymnarchidae | Gymnarchus niloticus | native | Aba | |
| Perciformes | Cichlidae | Hemichromis bimaculatus | native | Jewelfish | |
| Perciformes | Cichlidae | Hemichromis fasciatus | native | Banded jewelfish | |
| Characiformes | Hepsetidae | Hepsetus odoe | native | Kafue pike | |
| Siluriformes | Clariidae | Heterobranchus isopterus | native | ||
| Siluriformes | Clariidae | Heterobranchus longifilis | native | Vundu | |
| Osteoglossiformes | Arapaimidae | Heterotis niloticus | native | Heterotis | |
| Osteoglossiformes | Mormyridae | Hippopotamyrus psittacus | native | ||
| Characiformes | Alestidae | Hydrocynus forskahlii | native | ||
| Characiformes | Alestidae | Hydrocynus vittatus | native | Tiger fish | |
| Osteoglossiformes | Mormyridae | Hyperopisus bebe bebe | native | ||
| Perciformes | Eleotridae | Kribia nana | native | ||
| Cypriniformes | Cyprinidae | Labeo parvus | native | ||
| Cypriniformes | Cyprinidae | Labeo senegalensis | native | ||
| Clupeiformes | Clupeidae | Laeviscutella dekimpei | native | Roundbelly pellonuline | |
| Perciformes | Latidae | Lates niloticus | native | Nile perch | |
| Perciformes | Lutjanidae | Lutjanus dentatus | native | African brown snapper | Agnato |
| Perciformes | Lutjanidae | Lutjanus endecacanthus | native | Guinea snapper | |
| Siluriformes | Malapteruridae | Malapterurus beninensis | native | ||
| Osteoglossiformes | Mormyridae | Marcusenius mento | native | ||
| Osteoglossiformes | Mormyridae | Marcusenius senegalensis senegalensis | native | ||
| Osteoglossiformes | Mormyridae | Marcusenius ussheri | native | ||
| Synbranchiformes | Mastacembelidae | Mastacembelus cryptacanthus | native | ||
| Synbranchiformes | Mastacembelidae | Mastacembelus nigromarginatus | native | ||
| Elopiformes | Megalopidae | Megalops atlanticus | native | Tarpon | Ofin |
| Characiformes | Alestidae | Micralestes acutidens | native | Sharptooth tetra | |
| Characiformes | Alestidae | Micralestes elongatus | native | Elongated Turkana robber | |
| Cyprinodontiformes | Poeciliidae | Micropanchax macrophthalmus | native | Lampeye panchax | |
| Syngnathiformes | Syngnathidae | Microphis brachyurus aculeatus | native | ||
| Osteoglossiformes | Mormyridae | Mormyrops anguilloides | native | Cornish jack | |
| Osteoglossiformes | Mormyridae | Mormyrus rume rume | native | Mormyrids | |
| Characiformes | Citharinidae | Nannocharax fasciatus | native | ||
| Perciformes | Gobiidae | Nematogobius maindroni | native | ||
| Characiformes | Citharinidae | Neolebias ansorgii | native | ||
| Characiformes | Citharinidae | Neolebias unifasciatus | native | ||
| Clupeiformes | Clupeidae | Odaxothrissa ansorgii | native | Ansorge's fangtooth pellonuline | |
| Clupeiformes | Clupeidae | Odaxothrissa mento | native | Nigerian fangtooth pellonuline | |
| Synbranchiformes | Synbranchidae | Ophisternon afrum | native | Guinea swamp eel | |
| Perciformes | Cichlidae | Oreochromis macrochir | not established | Longfin tilapia | |
| Perciformes | Cichlidae | Oreochromis mossambicus | introduced | Mozambique tilapia | |
| Osteoglossiformes | Pantodontidae | Pantodon buchholzi | native | Freshwater butterflyfish | |
| Osteoglossiformes | Notopteridae | Papyrocranus afer | native | Reticulate knifefish | |
| Perciformes | Channidae | Parachanna africana | native | ||
| Perciformes | Channidae | Parachanna obscura | native | Snake-head | |
| Siluriformes | Schilbeidae | Parailia pellucida | native | Glass schilbid | |
| Siluriformes | Claroteidae | Parauchenoglanis monkei | native | Dotted catfish | |
| Siluriformes | Schilbeidae | Pareutropius buffei | native | ||
| Clupeiformes | Clupeidae | Pellonula leonensis | native | Smalltoothed pellonula | |
| Clupeiformes | Clupeidae | Pellonula vorax | native | Bigtoothed pellonula | Gbodo |
| Osteoglossiformes | Mormyridae | Petrocephalus bovei bovei | native | ||
| Osteoglossiformes | Mormyridae | Petrocephalus pallidomaculatus | native | ||
| Osteoglossiformes | Mormyridae | Petrocephalus soudanensis | native | ||
| Characiformes | Citharinidae | Phago loricatus | native | African pike-characin | |
| Gonorynchiformes | Phractolaemidae | Phractolaemus ansorgii | native | Hingemouth | |
| Siluriformes | Amphiliidae | Phractura clauseni | native | ||
| Osteoglossiformes | Mormyridae | Pollimyrus adspersus | native | ||
| Osteoglossiformes | Mormyridae | Pollimyrus isidori isidori | native | Elephant Fish | |
| Perciformes | Nandidae | Polycentropsis abbreviata | native | African leaffish | |
| Polypteriformes | Polypteridae | Polypterus bichir lapradei | native | Bichir | |
| Polypteriformes | Polypteridae | Polypterus endlicheri endlicheri | native | Saddled bichir | Khotum |
| Polypteriformes | Polypteridae | Polypterus retropinnis | native | West African bichir | |
| Polypteriformes | Polypteridae | Polypterus senegalus senegalus | native | Gray bichir | |
| Perciformes | Haemulidae | Pomadasys jubelini | native | Sompat grunt | Cocouin |
| Pristiformes | Pristidae | Pristis microdon | native | Largetooth sawfish | |
| Lepidosireniformes | Protopteridae | Protopterus annectens annectens | native | West African lungfish | |
| Cypriniformes | Cyprinidae | Raiamas senegalensis | native | Silver fish | |
| Characiformes | Alestidae | Rhabdalestes septentrionalis | native | ||
| Perciformes | Cichlidae | Sarotherodon galilaeus galilaeus | native | Mango tilapia | |
| Perciformes | Cichlidae | Sarotherodon melanotheron melanotheron | native | Blackchin tilapia | |
| Siluriformes | Schilbeidae | Schilbe intermedius | native | Silver catfish | |
| Siluriformes | Schilbeidae | Schilbe micropogon | native | ||
| Siluriformes | Schilbeidae | Schilbe mystus | native | African butter catfish | |
| Cyprinodontiformes | Nothobranchiidae | Scriptaphyosemion geryi | native | G�rys killi | |
| Clupeiformes | Clupeidae | Sierrathrissa leonensis | native | West African pygmy herring | |
| Siluriformes | Mochokidae | Synodontis budgetti | native | ||
| Siluriformes | Mochokidae | Synodontis gambiensis | native | ||
| Siluriformes | Mochokidae | Synodontis melanoptera | native | ||
| Siluriformes | Mochokidae | Synodontis ouemeensis | native | ||
| Siluriformes | Mochokidae | Synodontis schall | native | Wahrindi | |
| Siluriformes | Mochokidae | Synodontis sorex | native | ||
| Perciformes | Cichlidae | Thysochromis ansorgii | native | ||
| Perciformes | Cichlidae | Tilapia guineensis | native | Guinean tilapia | |
| Perciformes | Cichlidae | Tilapia mariae | native | Spotted tilapia | |
| Perciformes | Cichlidae | Tilapia zillii | native | Redbelly tilapia | |
| Perciformes | Carangidae | Trachinotus teraia | native | Shortfin pompano | |
| Osteoglossiformes | Notopteridae | Xenomystus nigri | native | African knifefish |