| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Aruwimi | River (basin) | native | 41590 |
| Congo | River (basin) | native | 78218 |
| Ethiopian | Zoogeographic realm | endemic | 3820 |
| Kasai | River (basin) | native | 41591 |
| Kienke | River (basin) | native | 51193 |
| Mbini | River (basin) | native | 81644 |
| Middle Congo | River (basin) | native | 106245 |
| Ntem | River (basin) | native | 81644 |
| Nyanga | River (basin) | native | 81644 |
| Nyong | River (basin) | native | 81644 |
| Ogowe | River (basin) | native | 81644 |
| Sanaga | River (basin) | native | 81644 |
| Sangha | River (basin) | native | 1880 |