| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Congo | River (basin) | native | 78218 |
| Ethiopian | Zoogeographic realm | endemic | 3818 |
| Kasai | River (basin) | native | 41591 |
| Kienke | River (basin) | questionable | 78218 |
| Komo | River (basin) | native | 81646 |
| Kouilou-Niari | River (basin) | native | 81646 |
| Loémé | River (basin) | native | 81646 |
| Lower Congo | River (basin) | native | 88779 |
| Marine Lower Congo | River (basin) | native | 41590 |
| Muni | River (basin) | native | 81646 |
| Nyanga | River (basin) | native | 81646 |
| Ogowe | River (basin) | native | 81646 |
| Sangha | River (basin) | native | 51193 |