| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Atlantic Ocean | Sea/Bay/Gulf | native | 57224 |
| Benguela Current | Sea/Bay/Gulf | questionable | 3876 |
| Benue | River (basin) | native | 57224 |
| Canary Current | Sea/Bay/Gulf | native | 57224 |
| Ethiopian | Zoogeographic realm | native | 57224 |
| Guinea Current | Sea/Bay/Gulf | native | 57224 |
| Niger | River (basin) | native | 57224 |
| Sanaga | River (basin) | native | 51193 |