| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Danube | River (basin) | native | 59043 |
| Dnester | River (basin) | native | 59043 |
| Dnieper & South Bug drainage | River (basin) | native | 59043 |
| Don | River (basin) | native | 46206 |
| Kuban River | River (basin) | native | 58296 |
| Odra River | River (basin) | native | 59043 |
| Palearctic | Zoogeographic realm | endemic | 46206 |
| Vistula | River (basin) | native | 59043 |