| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Aruwimi | River (basin) | native | 106290 |
| Congo | River (basin) | native | 93897 |
| Ethiopian | Zoogeographic realm | endemic | 3575 |
| Itimbiri | River (basin) | native | 106290 |
| Kouilou-Niari | River (basin) | native | 81648 |
| Léfini-Likouala | River (basin) | questionable | 111328 |
| Lower Congo | River (basin) | native | 111328 |
| Lualaba | River (basin) | native | 111328 |
| Lukenie | River (basin) | native | 111328 |
| Mai-Ndombe | Lake | native | 111328 |
| Middle Congo | River (basin) | native | 1880 |
| Ogowe | River (basin) | native | 81648 |
| Pool Malebo | Lake | native | 111328 |
| Ruki | River (basin) | native | 93897 |
| Sangha | River (basin) | native | 111328 |
| Sankuru | River (basin) | native | 111328 |
| Tumba | Lake | native | 111328 |
| Ubangui | River (basin) | native | 111328 |
| Upper Lualaba | River (basin) | native | 111328 |
| Wagenia Falls | River (basin) | native | 106245 |