| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Aruwimi | River (basin) | questionable | 41594 |
| Benue | River (basin) | native | 81282 |
| Congo | River (basin) | native | 41594 |
| Ethiopian | Zoogeographic realm | endemic | 2801 |
| Kouilou-Niari | River (basin) | native | 81639 |
| Loémé | River (basin) | native | 81639 |
| Sanaga | River (basin) | native | 81639 |
| Uélé | River (basin) | native | 41594 |
| Wagenia Falls | River (basin) | native | 106245 |