| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Benue | River (basin) | native | 57129 |
| Chad | River (basin) | native | 57129 |
| Chari-Logone | River (basin) | native | 57129 |
| Congo | River (basin) | native | 248 |
| Ethiopian | Zoogeographic realm | endemic | 13331 |
| Fitri | Lake | native | 57129 |
| Kogon | River (basin) | questionable | 13331 |
| Kotto | River (basin) | native | 248 |
| Uélé | River (basin) | native | 248 |