| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Aruwimi | River (basin) | native | 106290 |
| Congo | River (basin) | endemic | 45441 |
| Ethiopian | Zoogeographic realm | endemic | 5647 |
| Itimbiri | River (basin) | native | 106290 |
| Middle Congo | River (basin) | native | 106245 |
| Ruki | River (basin) | native | 93897 |
| Sangha | River (basin) | native | 52307 |
| Ubangui | River (basin) | native | 45441 |
| Uélé | River (basin) | native | 41594 |