| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Congo | River (basin) | native | 1880 |
| Cuanza | River (basin) | questionable | 120641 |
| Ethiopian | Zoogeographic realm | endemic | 2801 |
| Kunene | River (basin) | native | 82823 |
| Okavango | River (basin) | native | 82823 |
| Sankuru | River (basin) | native | 1880 |
| Zambezi | River (basin) | native | 120641 |