| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Dnester | River (basin) | native | 26334 |
| Dnieper | River (basin) | native | 26334 |
| Dnieper & South Bug drainage | River (basin) | native | 26334 |
| Don | River (basin) | native | 26334 |
| Kuban River | River (basin) | native | 58296 |
| Palearctic | Zoogeographic realm | endemic | 26334 |