| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Angolan | Sea/Bay/Gulf | native | 1394 |
| Atlantic Ocean | Sea/Bay/Gulf | native | 1394 |
| Bandama | River (basin) | native | 1522 |
| Benue | River (basin) | native | 1522 |
| Chad | River (basin) | questionable | 1394 |
| Gulf of Guinea | sea/bay/gulf | native | 1522 |
| Gulf of Guinea Central | Sea/Bay/Gulf | native | 1522 |
| Gulf of Guinea South | Sea/Bay/Gulf | native | 1394 |
| Gulf of Guinea Upwelling | Sea/Bay/Gulf | native | 1522 |
| Gulf of Guinea West | Sea/Bay/Gulf | native | 1394 |
| Niger | River (basin) | native | 1522 |
| Ogowe | River (basin) | native | 1522 |
| Sahelian Upwelling | Sea/Bay/Gulf | native | 1522 |
| Sanaga | River (basin) | native | 1522 |
| St. Helena and Ascension Islands | Sea/Bay/Gulf | misidentification | 1522 |
| St. Helena and Ascension Islands - province | Sea/Bay/Gulf | misidentification | 1522 |
| Tropical Atlantic | sea/bay/gulf | native | 1394 |
| Volta | River (basin) | native | 1522 |
| West African Transition | sea/bay/gulf | native | 1522 |