| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Aruwimi | River (basin) | native | 106290 |
| Chiloango | River (basin) | native | 81644 |
| Congo | River (basin) | native | 248 |
| Cuanza | River (basin) | native | 120641 |
| Ethiopian | Zoogeographic realm | endemic | 3820 |
| Itimbiri | River (basin) | native | 248 |
| Kasai | River (basin) | native | 248 |
| Kouilou-Niari | River (basin) | native | 81644 |
| Kwango | River (basin) | native | 248 |
| Kwilu | River (basin) | native | 248 |
| Léfini-Likouala | River (basin) | native | 44840 |
| Lindi-Tshopo | River (basin) | native | 106290 |
| Lomami | River (basin) | native | 106245 |
| Lower Congo | River (basin) | native | 101841 |
| Lualaba | River (basin) | native | 106245 |
| Lukenie | River (basin) | native | 127185 |
| Marine Lower Congo | River (basin) | native | 248 |
| Middle Congo | River (basin) | native | 248 |
| Nile | River (basin) | questionable | 106290 |
| Ogowe | River (basin) | native | 81644 |
| Pool Malebo | Lake | native | 101841 |
| Ruki | River (basin) | native | 248 |
| Sangha | River (basin) | native | 44840 |
| Tumba | Lake | native | 248 |
| Ubangui | River (basin) | native | 248 |
| Uélé | River (basin) | native | 41590 |
| Wagenia Falls | River (basin) | native | 106245 |