| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Danube | River (basin) | native | 59043 |
| Dnester | River (basin) | native | 59043 |
| Dnieper | River (basin) | native | 26334 |
| Don | River (basin) | native | 26334 |
| Kuban River | River (basin) | native | 58296 |
| Morava River | River (basin) | native | 59043 |
| Neman (Niamunas) River | River (basin) | native | 59043 |
| Oder | River (basin) | native | 57855 |
| Palearctic | Zoogeographic realm | endemic | 11057 |
| Vistula | River (basin) | native | 59043 |
| Volga | River (basin) | native | 58030 |