| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Atlantic Ocean | Sea/Bay/Gulf | native | 4445 |
| Bandama | River (basin) | native | 103267 |
| Canary Current | Sea/Bay/Gulf | native | 4445 |
| Casamance | River (basin) | native | 33587 |
| Congo | River (basin) | native | 42016 |
| Cross | River (basin) | native | 81629 |
| Ébrié Lagoon | Lagoon | native | 28094 |
| Eholié | River (basin) | native | 83625 |
| Ethiopian | Zoogeographic realm | native | 3500 |
| Gambia | River (basin) | native | 78745 |
| Guinea Current | Sea/Bay/Gulf | native | 2683 |
| Kouilou-Niari | River (basin) | native | 81629 |
| Lower Congo | River (basin) | native | 42016 |
| Marine Lower Congo | River (basin) | native | 86940 |
| Mbini | River (basin) | native | 1878 |
| Ndogo | River (basin) | native | 101793 |
| Niger | River (basin) | native | 2982 |
| Nkomi | River (basin) | native | 80286 |
| Ogowe | River (basin) | native | 86941 |
| Ouémé | River (basin) | native | 55411 |
| Saloum | River (basin) | native | 28094 |
| Sanaga | River (basin) | native | 51193 |
| Senegal | River (basin) | native | 1878 |