| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Cross | River (basin) | native | 57129 |
| Ethiopian | Zoogeographic realm | endemic | 272 |
| Lower Niger | River (basin) | native | 57129 |
| Mono | River (basin) | native | 57129 |
| Niger | River (basin) | native | 57129 |
| Niger Delta | River (basin) | native | 57129 |
| Ogun | River (basin) | native | 57129 |
| Oshun | River (basin) | native | 57129 |
| Ouémé | River (basin) | native | 57129 |
| Pra | River (basin) | native | 57129 |
| Sio | River (basin) | native | 57129 |
| Volta | River (basin) | native | 57129 |