| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Cross | River (basin) | native | 57127 |
| Ethiopian | Zoogeographic realm | endemic | 3570 |
| Kwa-Ibo | River (basin) | native | 57127 |
| Niger | River (basin) | native | 57127 |
| Niger Delta | River (basin) | native | 57127 |
| Ogun | River (basin) | native | 57127 |
| Oshun | River (basin) | native | 57127 |
| Ouémé | River (basin) | native | 57127 |