| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Dnester | River (basin) | native | 59043 |
| Dnieper | River (basin) | native | 52363 |
| Dnieper & South Bug drainage | River (basin) | native | 59043 |
| Elbe River | River (basin) | native | 59043 |
| Ladoga Lake | Lake | questionable | 59043 |
| Oder | River (basin) | native | 59043 |
| Palearctic | Zoogeographic realm | native | 52363 |
| Rhine | River (basin) | native | 59043 |
| Vistula | River (basin) | native | 59043 |