| Order | Family | Species | Status | FB name | Name |
| Characiformes | Alestidae | Alestes baremoze | native | Silversides | |
| Characiformes | Alestidae | Alestes dentex | native | Characin | |
| Siluriformes | Amphiliidae | Amphilius platychir | native | Mountain barbel | |
| Siluriformes | Amphiliidae | Amphilius rheophilus | native | ||
| Cyprinodontiformes | Poeciliidae | Aplocheilichthys normani | native | Norman's lampeye | |
| Cyprinodontiformes | Poeciliidae | Aplocheilichthys spilauchen | native | Banded lampeye | |
| Siluriformes | Ariidae | Arius latiscutatus | native | Rough-head sea catfish | |
| Cypriniformes | Cyprinidae | Barbus baudoni | native | ||
| Cypriniformes | Cyprinidae | Barbus dialonensis | native | ||
| Cypriniformes | Cyprinidae | Barbus foutensis | native | ||
| Cypriniformes | Cyprinidae | Barbus leonensis | native | ||
| Cypriniformes | Cyprinidae | Barbus macrops | native | Blackstripe barb | |
| Cypriniformes | Cyprinidae | Barbus niokoloensis | native | ||
| Cypriniformes | Cyprinidae | Barbus pobeguini | native | ||
| Cypriniformes | Cyprinidae | Barbus sublineatus | native | ||
| Perciformes | Eleotridae | Bostrychus africanus | native | ||
| Osteoglossiformes | Mormyridae | Brienomyrus brachyistius | native | ||
| Osteoglossiformes | Mormyridae | Brienomyrus niger | native | ||
| Characiformes | Alestidae | Brycinus leuciscus | native | ||
| Characiformes | Alestidae | Brycinus longipinnis | native | Longfin tetra | |
| Characiformes | Alestidae | Brycinus nurse | native | Nurse tetra | |
| Carcharhiniformes | Carcharhinidae | Carcharhinus leucas | native | Bull shark | |
| Siluriformes | Claroteidae | Chrysichthys johnelsi | native | ||
| Siluriformes | Claroteidae | Chrysichthys maurus | native | ||
| Siluriformes | Claroteidae | Chrysichthys nigrodigitatus | native | Bagrid catfish | |
| Characiformes | Citharinidae | Citharinus citharus citharus | native | Moon fish | |
| Siluriformes | Clariidae | Clarias anguillaris | native | Mudfish | |
| Siluriformes | Clariidae | Clarias buettikoferi | native | ||
| Siluriformes | Clariidae | Clarias gariepinus | native | North African catfish | |
| Siluriformes | Claroteidae | Clarotes laticeps | native | Widehead catfish | |
| Perciformes | Anabantidae | Ctenopoma kingsleyae | native | Tailspot ctenopoma | |
| Anguilliformes | Ophichthidae | Dalophis boulengeri | native | ||
| Characiformes | Citharinidae | Distichodus brevipinnis | native | ||
| Characiformes | Citharinidae | Distichodus rostratus | native | Grass-eater | |
| Perciformes | Eleotridae | Eleotris senegalensis | native | ||
| Syngnathiformes | Syngnathidae | Enneacampus ansorgii | native | ||
| Cyprinodontiformes | Nothobranchiidae | Epiplatys bifasciatus bifasciatus | native | ||
| Clupeiformes | Clupeidae | Ethmalosa fimbriata | native | Bonga shad | Tialo |
| Perciformes | Gerreidae | Eucinostomus melanopterus | native | Flagfin mojarra | |
| 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 bidorsalis | native | African catfish | |
| Siluriformes | Clariidae | Heterobranchus isopterus | native | ||
| Siluriformes | Clariidae | Heterobranchus longifilis | native | Vundu | |
| Osteoglossiformes | Arapaimidae | Heterotis niloticus | native | Heterotis | Fanntang |
| Characiformes | Alestidae | Hydrocynus brevis | native | Tiger-fish | |
| Characiformes | Alestidae | Hydrocynus forskahlii | native | ||
| Osteoglossiformes | Mormyridae | Hyperopisus bebe bebe | native | ||
| Osteoglossiformes | Mormyridae | Hyperopisus bebe occidentalis | native | ||
| Cypriniformes | Cyprinidae | Labeo coubie | native | African carp | |
| Cypriniformes | Cyprinidae | Labeo parvus | native | ||
| Cypriniformes | Cyprinidae | Labeo senegalensis | native | ||
| Clupeiformes | Clupeidae | Laeviscutella dekimpei | native | Roundbelly pellonuline | |
| Mugiliformes | Mugilidae | Liza falcipinnis | native | Sicklefin mullet | |
| Perciformes | Lutjanidae | Lutjanus dentatus | native | African brown snapper | |
| Siluriformes | Malapteruridae | Malapterurus beninensis | questionable | ||
| Siluriformes | Malapteruridae | Malapterurus occidentalis | native | ||
| Osteoglossiformes | Mormyridae | Marcusenius mento | native | ||
| Osteoglossiformes | Mormyridae | Marcusenius senegalensis senegalensis | native | ||
| Synbranchiformes | Mastacembelidae | Mastacembelus liberiensis | native | ||
| Elopiformes | Megalopidae | Megalops atlanticus | native | Tarpon | |
| Syngnathiformes | Syngnathidae | Microphis brachyurus aculeatus | native | ||
| Osteoglossiformes | Mormyridae | Mormyrops anguilloides | native | Cornish jack | |
| Osteoglossiformes | Mormyridae | Mormyrus hasselquistii | native | Elephant snout | |
| Osteoglossiformes | Mormyridae | Mormyrus rume rume | native | Mormyrids | |
| Mugiliformes | Mugilidae | Mugil cephalus | native | Flathead mullet | |
| Characiformes | Citharinidae | Nannocharax ansorgii | native | ||
| Characiformes | Citharinidae | Neolebias unifasciatus | native | ||
| Cyprinodontiformes | Nothobranchiidae | Nothobranchius kiyawensis | native | ||
| Cyprinodontiformes | Nothobranchiidae | Nothobranchius thierryi | native | Togo Killifish | |
| Clupeiformes | Clupeidae | Odaxothrissa ansorgii | native | Ansorge's fangtooth pellonuline | |
| Perciformes | Cichlidae | Oreochromis niloticus niloticus | native | Nile tilapia | |
| Osteoglossiformes | Notopteridae | Papyrocranus afer | native | Reticulate knifefish | |
| Perciformes | Channidae | Parachanna obscura | native | Snake-head | |
| Characiformes | Citharinidae | Paradistichodus dimidiatus | native | ||
| Siluriformes | Schilbeidae | Parailia spiniserrata | native | ||
| Clupeiformes | Clupeidae | Pellonula leonensis | native | Smalltoothed pellonula | |
| Osteoglossiformes | Mormyridae | Petrocephalus bovei bovei | native | ||
| Osteoglossiformes | Mormyridae | Pollimyrus isidori isidori | native | Elephant Fish | |
| Polypteriformes | Polypteridae | Polypterus bichir lapradei | native | Bichir | Sannka |
| Polypteriformes | Polypteridae | Polypterus senegalus senegalus | native | Gray bichir | Sannka |
| Perciformes | Haemulidae | Pomadasys jubelini | native | Sompat grunt | |
| Perciformes | Gobiidae | Porogobius schlegelii | native | ||
| Pristiformes | Pristidae | Pristis microdon | native | Largetooth sawfish | |
| Lepidosireniformes | Protopteridae | Protopterus annectens annectens | native | West African lungfish | Cambona |
| Cypriniformes | Cyprinidae | Raiamas senegalensis | native | Silver fish | |
| Characiformes | Alestidae | Rhabdalestes septentrionalis | native | ||
| Perciformes | Cichlidae | Sarotherodon galilaeus galilaeus | native | Mango tilapia | |
| Perciformes | Cichlidae | Sarotherodon melanotheron heudelotii | native | Mango fish | |
| Perciformes | Cichlidae | Sarotherodon melanotheron melanotheron | native | Blackchin tilapia | |
| Siluriformes | Schilbeidae | Schilbe intermedius | native | Silver catfish | |
| Cyprinodontiformes | Nothobranchiidae | Scriptaphyosemion geryi | native | Gérys killi | |
| Clupeiformes | Clupeidae | Sierrathrissa leonensis | native | West African pygmy herring | |
| Siluriformes | Mochokidae | Synodontis annectens | native | ||
| Siluriformes | Mochokidae | Synodontis batensoda | native | Upsidedown catfish | |
| Siluriformes | Mochokidae | Synodontis clarias | native | Mandi | |
| Siluriformes | Mochokidae | Synodontis gambiensis | native | ||
| Siluriformes | Mochokidae | Synodontis membranacea | native | ||
| Siluriformes | Mochokidae | Synodontis nigrita | native | ||
| Siluriformes | Mochokidae | Synodontis ocellifer | native | ||
| Tetraodontiformes | Tetraodontidae | Tetraodon lineatus | native | Globe fish | |
| Perciformes | Cichlidae | Tilapia brevimanus | native | ||
| Perciformes | Cichlidae | Tilapia guineensis | native | Guinean tilapia | |
| Perciformes | Cichlidae | Tilapia zillii | native | Redbelly tilapia | |
| Perciformes | Cichlidae | Tylochromis intermedius | native | ||
| Perciformes | Cichlidae | Tylochromis jentinki | native | ||
| Rajiformes | Dasyatidae | Urogymnus ukpam | native | Thorny freshwater stingray |