| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Adour | River (basin) | native | 40476 |
| Baltic Sea | Sea/Bay/Gulf | native | 59043 |
| Bay of Biscay river drainages and lakes | River (basin) | native | 59043 |
| British islands basins | River (basin) | native | 59043 |
| Danish islands basins | River (basin) | native | 59043 |
| Danube | River (basin) | native | 59043 |
| Denmark river drainages and lakes | River (basin) | native | 59043 |
| Dordogne | River (basin) | native | 40476 |
| Douro | River (basin) | native | 59043 |
| Dwina | River (basin) | native | 59043 |
| Elbe River | River (basin) | native | 54732 |
| Garonne | River (basin) | native | 40476 |
| Iberian main basins | River (basin) | native | 59043 |
| Ireland river drainages and lakes | River (basin) | native | 59043 |
| Italy main basins | River (basin) | native | 59043 |
| Kama | River (basin) | native | 59043 |
| Lake Peipus | Lake | native | 122793 |
| Loire | River (basin) | native | 40476 |
| Neman (Niamunas) River | River (basin) | native | 59043 |
| Northern Atlanto-Baltic river drainages and lakes | River (basin) | native | 59043 |
| Oder | River (basin) | native | 59043 |
| Onega River | River (basin) | native | 59043 |
| Palearctic | Zoogeographic realm | endemic | 12315 |
| Po | River (basin) | native | 59043 |
| Rhine | River (basin) | native | 59043 |
| Rhône | River (basin) | native | 40476 |
| Sado | River (basin) | native | 59043 |
| Seine | River (basin) | native | 59043 |
| Southern Baltic Coastal river drainages and lakes | River (basin) | native | 59043 |
| Tagus | River (basin) | native | 59043 |
| Upper Danube | River (basin) | native | 59043 |
| Upper Prypiats | River (basin) | native | 59043 |
| Upper Volga | River (basin) | native | 59043 |
| Vistula | River (basin) | native | 59043 |
| Volga | River (basin) | native | 26334 |
| Weser | River (basin) | native | 59043 |