| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Amur | River (basin) | misidentification | 26334 |
| Atlantic Ocean | Sea/Bay/Gulf | native | 4698 |
| Baltic Sea | Sea/Bay/Gulf | native | 36252 |
| Danube | River (basin) | native | 4698 |
| Dnester | River (basin) | native | 59043 |
| Elbe River | River (basin) | native | 59043 |
| Ladoga Lake | Lake | native | 59043 |
| Lena | River (basin) | native | 55856 |
| Northern Atlanto-Baltic river drainages and lakes | River (basin) | native | 59043 |
| Norwegian Sea | Sea/Bay/Gulf | native | 4698 |
| Ob River | River (basin) | native | 55856 |
| Oder | River (basin) | native | 59043 |
| Onega Lake | Lake | native | 55856 |
| Palearctic | Zoogeographic realm | endemic | 4698 |
| Prut | River (basin) | native | 59043 |
| Siret | River (basin) | native | 59043 |
| Southern Baltic Coastal river drainages and lakes | River (basin) | native | 59043 |
| Tisza | River (basin) | native | 59043 |
| Upper Danube | River (basin) | native | 59043 |
| Vistula | River (basin) | native | 55856 |