| Order | Family | Species | Occurrence | FishBase name | Name in Country |
|---|---|---|---|---|---|
| Siluriformes | Amphiliidae | Andersonia leptura | native | ||
| Cyprinodontiformes | Nothobranchiidae | Aphyosemion bitaeniatum | native | Two-striped Aphyosemion | |
| Cyprinodontiformes | Nothobranchiidae | Aphyosemion calliurum | native | Banner lyretail | |
| Cyprinodontiformes | Procatopodidae | Aplocheilichthys spilauchen | native | Banded lampeye | |
| Siluriformes | Claroteidae | Auchenoglanis occidentalis | native | Bubu | |
| Gobiiformes | Gobiidae | Awaous lateristriga | native | West African freshwater goby | |
| Siluriformes | Bagridae | Bagrus bajad | native | Bayad | |
| Siluriformes | Bagridae | Bagrus docmak | native | Semutundu | |
| Cypriniformes | Cyprinidae | Barboides britzi | endemic | ||
| Cypriniformes | Cyprinidae | Barboides gracilis | native | ||
| Osteoglossiformes | Mormyridae | Brevimyrus niger | native | ||
| Osteoglossiformes | Mormyridae | Brienomyrus brachyistius | native | ||
| Characiformes | Alestidae | Brycinus leuciscus | native | ||
| Characiformes | Alestidae | Brycinus macrolepidotus | native | True big-scale tetra | |
| Characiformes | Alestidae | Brycinus nurse | native | Nurse tetra | |
| Characiformes | Alestidae | Bryconalestes longipinnis | native | Longfin tetra | |
| Siluriformes | Ariidae | Carlarius gigas | native | Giant sea catfish | |
| Cichliformes | Cichlidae | Chromidotilapia guntheri | native | Guenther's mouthbrooder | |
| Siluriformes | Claroteidae | Chrysichthys auratus | native | Golden Nile catfish | |
| Siluriformes | Claroteidae | Chrysichthys nigrodigitatus | native | Belly up | |
| Characiformes | Citharinidae | Citharinus 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 | ||
| Cichliformes | Cichlidae | Coptodon guineensis | native | Guinean tilapia | |
| Cichliformes | Cichlidae | Coptodon zillii | native | Redbelly tilapia | |
| Gonorynchiformes | Kneriidae | Cromeria occidentalis | native | ||
| Anabantiformes | Anabantidae | Ctenopoma kingsleyae | native | Tailspot ctenopoma | |
| Anabantiformes | Anabantidae | Ctenopoma petherici | native | ||
| Osteoglossiformes | Mormyridae | Cyphomyrus psittacus | native | ||
| Anguilliformes | Ophichthidae | Dalophis boulengeri | native | ||
| Anguilliformes | Ophichthidae | Dalophis cephalopeltis | native | ||
| Clupeiformes | Denticipitidae | Denticeps clupeoides | native | Denticle herring | |
| Characiformes | Distichodontidae | Distichodus rostratus | native | Grass-eater | |
| Gobiiformes | Eleotridae | Dormitator lebretonis | native | ||
| Gobiiformes | Eleotridae | Eleotris daganensis | native | ||
| Gobiiformes | Eleotridae | Eleotris senegalensis | native | ||
| Gobiiformes | Eleotridae | Eleotris vittata | native | ||
| Cypriniformes | Cyprinidae | Enteromius ablabes | native | ||
| Cypriniformes | Cyprinidae | Enteromius atakorensis | native | ||
| Cypriniformes | Cyprinidae | Enteromius baudoni | native | ||
| Cypriniformes | Cyprinidae | Enteromius callipterus | native | Clipper barb | |
| Cypriniformes | Cyprinidae | Enteromius chlorotaenia | native | ||
| Cypriniformes | Cyprinidae | Enteromius leonensis | native | ||
| Cypriniformes | Cyprinidae | Enteromius macinensis | native | ||
| Cypriniformes | Cyprinidae | Enteromius macrops | native | Blackstripe barb | |
| Cypriniformes | Cyprinidae | Enteromius nigeriensis | native | ||
| Cypriniformes | Cyprinidae | Enteromius parablabes | native | ||
| Cypriniformes | Cyprinidae | Enteromius stigmatopygus | native | ||
| Cypriniformes | Cyprinidae | Enteromius sublineatus | native | ||
| Cypriniformes | Cyprinidae | Enteromius sylvaticus | native | ||
| Cypriniformes | Cyprinidae | Enteromius vandewallei | native | ||
| Cyprinodontiformes | Nothobranchiidae | Epiplatys bifasciatus | native | ||
| Cyprinodontiformes | Nothobranchiidae | Epiplatys grahami | native | ||
| Cyprinodontiformes | Nothobranchiidae | Epiplatys sexfasciatus | native | Sixbar panchax | |
| Cyprinodontiformes | Nothobranchiidae | Epiplatys spilargyreius | native | ||
| Polypteriformes | Polypteridae | Erpetoichthys calabaricus | native | Reedfish | |
| Clupeiformes | Dorosomatidae | Ethmalosa fimbriata | native | Bonga shad | Tiaka |
| Cyprinodontiformes | Nothobranchiidae | Foerschichthys nigeriensis | native | ||
| Cyprinodontiformes | Nothobranchiidae | Fundulopanchax filamentosus | native | Plumed lyretail | |
| Cyprinodontiformes | Nothobranchiidae | Fundulopanchax gularis | native | Gulare | |
| Gobiiformes | Gobiidae | Gobioides sagitta | native | ||
| Siluriformes | Clariidae | Gymnallabes typus | native | ||
| Osteoglossiformes | Gymnarchidae | Gymnarchus niloticus | native | Aba | |
| Cichliformes | Cichlidae | Hemichromis fasciatus | native | Banded jewelfish | |
| Characiformes | Hepsetidae | Hepsetus odoe | native | ||
| Siluriformes | Clariidae | Heterobranchus isopterus | native | ||
| Siluriformes | Clariidae | Heterobranchus longifilis | native | Sampa | |
| Osteoglossiformes | Arapaimidae | Heterotis niloticus | native | African bonytongue | |
| Characiformes | Alestidae | Hydrocynus forskahlii | native | Elongate tigerfish | |
| Characiformes | Alestidae | Hydrocynus vittatus | native | Tiger fish | |
| Osteoglossiformes | Mormyridae | Hyperopisus bebe | native | ||
| Characiformes | Distichodontidae | Ichthyborus monodi | native | ||
| Cypriniformes | Cyprinidae | Labeo parvus | native | ||
| Cypriniformes | Cyprinidae | Labeo senegalensis | native | ||
| Cypriniformes | Cyprinidae | Labeobarbus bynni | native | Niger barb | |
| Clupeiformes | Dorosomatidae | Laeviscutella dekimpei | native | Roundbelly pellonuline | |
| Carangaria/misc | Latidae | Lates niloticus | native | Nile perch | |
| Eupercaria/misc | Lutjanidae | Lutjanus dentatus | native | African brown snapper | Agnato |
| Eupercaria/misc | Lutjanidae | Lutjanus endecacanthus | native | Guinea snapper | |
| Siluriformes | Malapteruridae | Malapterurus beninensis | native | ||
| Osteoglossiformes | Mormyridae | Marcusenius mento | native | ||
| Osteoglossiformes | Mormyridae | Marcusenius senegalensis | native | ||
| Osteoglossiformes | Mormyridae | Marcusenius ussheri | native | ||
| Synbranchiformes | Mastacembelidae | Mastacembelus cryptacanthus | native | ||
| Characiformes | Alestidae | Micralestes elongatus | native | Elongated Turkana robber | |
| Syngnathiformes | Syngnathidae | Microphis aculeatus | native | ||
| Osteoglossiformes | Mormyridae | Mormyrops anguilloides | native | Cornish jack | |
| Osteoglossiformes | Mormyridae | Mormyrops curviceps | native | ||
| Osteoglossiformes | Mormyridae | Mormyrus rume | native | Mormyrids | |
| Characiformes | Distichodontidae | Nannocharax occidentalis | native | ||
| Characiformes | Distichodontidae | Nannocharax signifer | endemic | ||
| Gobiiformes | Gobiidae | Nematogobius maindroni | native | ||
| Characiformes | Distichodontidae | Neolebias ansorgii | native | ||
| Characiformes | Distichodontidae | Neolebias unifasciatus | native | ||
| Cichliformes | Cichlidae | Oreochromis mossambicus | introduced | Mozambique tilapia | |
| Osteoglossiformes | Pantodontidae | Pantodon buchholzi | native | Freshwater butterflyfish | |
| Osteoglossiformes | Notopteridae | Papyrocranus afer | native | Reticulate knifefish | |
| Anabantiformes | Channidae | Parachanna africana | native | African snakehead | |
| Anabantiformes | Channidae | Parachanna obscura | native | African obscure snakehead | |
| Siluriformes | Schilbeidae | Parailia pellucida | native | Glass schilbid | |
| Siluriformes | Claroteidae | Parauchenoglanis monkei | native | Dotted catfish | |
| Siluriformes | Schilbeidae | Pareutropius buffei | native | ||
| Clupeiformes | Dorosomatidae | Pellonula leonensis | native | Smalltoothed pellonula | |
| Clupeiformes | Dorosomatidae | Pellonula vorax | native | Bigtoothed pellonula | Gbodo |
| Cichliformes | Cichlidae | Pelmatolapia mariae | native | Spotted tilapia | |
| Cichliformes | Cichlidae | Pelvicachromis pulcher | native | Rainbow krib | |
| Cichliformes | Cichlidae | Pelvicachromis taeniatus | native | ||
| Osteoglossiformes | Mormyridae | Petrocephalus bovei | native | ||
| Osteoglossiformes | Mormyridae | Petrocephalus pallidomaculatus | native | ||
| Osteoglossiformes | Mormyridae | Petrocephalus soudanensis | native | ||
| Characiformes | Distichodontidae | Phago loricatus | native | African pike-characin | |
| Gonorynchiformes | Phractolaemidae | Phractolaemus ansorgii | native | Hingemouth | |
| Osteoglossiformes | Mormyridae | Pollimyrus adspersus | native | ||
| Osteoglossiformes | Mormyridae | Pollimyrus isidori | native | Elephant Fish | |
| Ovalentaria/misc | Polycentridae | Polycentropsis abbreviata | native | African leaffish | |
| Polypteriformes | Polypteridae | Polypterus endlicherii | native | Saddled bichir | Khotum |
| Polypteriformes | Polypteridae | Polypterus senegalus | native | Gray bichir | |
| Eupercaria/misc | Haemulidae | Pomadasys jubelini | native | Sompat grunt | Cocouin |
| Gobiiformes | Gobiidae | Porogobius schlegelii | native | ||
| Cyprinodontiformes | Procatopodidae | Poropanchax luxophthalmus | native | ||
| Cyprinodontiformes | Procatopodidae | Poropanchax normani | native | Norman's lampeye | |
| Rhinopristiformes | Pristidae | Pristis microdon | native | Largetooth sawfish | |
| Ceratodontiformes | Protopteridae | Protopterus annectens | native | West African lungfish | |
| Cypriniformes | Danionidae | Raiamas senegalensis | native | Senegal minnow | |
| Characiformes | Alestidae | Rhabdalestes septentrionalis | native | ||
| Cichliformes | Cichlidae | Rubricatochromis bimaculatus | native | Jewelfish | |
| Cichliformes | Cichlidae | Sarotherodon galilaeus | native | Mango tilapia | |
| Cichliformes | Cichlidae | Sarotherodon 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 | Gérys killi | |
| Siluriformes | Mochokidae | Synodontis melanopterus | native | ||
| Siluriformes | Mochokidae | Synodontis nigrita | native | ||
| Siluriformes | Mochokidae | Synodontis ouemeensis | native | ||
| Siluriformes | Mochokidae | Synodontis schall | native | Wahrindi | |
| Siluriformes | Mochokidae | Synodontis sorex | native | ||
| Cichliformes | Cichlidae | Thysochromis ansorgii | native | ||
| Carangiformes | Carangidae | Trachinotus teraia | native | Shortfin pompano | |
| Osteoglossiformes | Notopteridae | Xenomystus nigri | native | African knifefish |