| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Congo | River (basin) | native | 1878 |
| Cuanza | River (basin) | questionable | 120641 |
| Ethiopian | Zoogeographic realm | endemic | 3565 |
| Kasai | River (basin) | questionable | 45616 |
| Kunene | River (basin) | native | 13332 |
| Kwango | River (basin) | native | 1878 |
| Okavango | River (basin) | questionable | 13332 |
| Zambezi | River (basin) | questionable | 120641 |