| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Chad | River (basin) | questionable | 81274 |
| Congo | River (basin) | endemic | 42476 |
| Cross | River (basin) | questionable | 81274 |
| Ethiopian | Zoogeographic realm | endemic | 3203 |
| Lower Congo | River (basin) | native | 42510 |
| Marine Lower Congo | River (basin) | native | 42476 |