| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Benue | River (basin) | questionable | 57223 |
| Chad | River (basin) | native | 57223 |
| Ethiopian | Zoogeographic realm | endemic | 3202 |
| Komadugu Yobe | River (basin) | questionable | 57223 |
| Nile | River (basin) | native | 28714 |
| White Nile | River (basin) | native | 120561 |