| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Agnébi | River (basin) | native | 13331 |
| Atlantic Ocean | Sea/Bay/Gulf | native | 79590 |
| Casamance | River (basin) | native | 28587 |
| Cross | River (basin) | native | 13331 |
| Ébrié | Lagoon | native | 28587 |
| Ethiopian | Zoogeographic realm | endemic | 7390 |
| Fatala | River (basin) | native | 28587 |
| Gambia | River (basin) | native | 13331 |
| Géba | River (basin) | native | 13331 |
| Guinea Current | Sea/Bay/Gulf | native | 26999 |
| Kwa-Ibo | River (basin) | native | 79590 |
| Ogun | River (basin) | native | 13331 |
| Ouémé | River (basin) | native | 13331 |
| Pacific Ocean | Sea/Bay/Gulf | questionable | 4343 |
| Rokel | River (basin) | native | 13331 |
| Sanaga | River (basin) | native | 51193 |
| Senegal | River (basin) | native | 13331 |
| Volta | River (basin) | native | 13331 |