| Ecosysteem | Type | Status | Ref. |
|---|---|---|---|
| Congo | River (basin) | endemic | 3188 |
| Ethiopian | Zoogeographic realm | endemic | 4537 |
| Itimbiri | River (basin) | native | 106290 |
| Kasai | River (basin) | native | 42907 |
| Middle Congo | River (basin) | native | 88113 |
| Pool Malebo | Lake | native | 41585 |
| Ruki | River (basin) | native | 93897 |
| Sangha | River (basin) | native | 44840 |
| Ubangui | River (basin) | native | 45441 |
| Uélé | River (basin) | native | 42907 |