| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| 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 |
| Bug | River (basin) | native | 59043 |
| Caspian Sea | Lake | native | 39702 |
| Central Dnieper | River (basin) | native | 59043 |
| Central Don | River (basin) | native | 59043 |
| Cote Azur | River (basin) | native | 59043 |
| Crimean Peninsula | River (basin) | native | 59043 |
| Da River | River (basin) | introduced | 89724 |
| Danish islands basins | River (basin) | native | 59043 |
| Denmark river drainages and lakes | River (basin) | native | 59043 |
| Desna | River (basin) | native | 59043 |
| Dnester | River (basin) | native | 59043 |
| Dnieper | River (basin) | native | 26334 |
| Dnieper-Bug Liman | River (basin) | native | 59043 |
| Don | River (basin) | native | 59043 |
| Don Delta | River (basin) | native | 59043 |
| Elbe River | River (basin) | native | 59043 |
| Emån | River (basin) | native | 59043 |
| Erqishi River | River (basin) | native | 110424 |
| Garonne | River (basin) | native | 59043 |
| Goryn | River (basin) | native | 59043 |
| Gotland basins | River (basin) | native | 59043 |
| Kama | River (basin) | native | 59043 |
| Khoper | River (basin) | native | 59043 |
| Krinka | River (basin) | native | 59043 |
| Lake Peipus | Lake | native | 122793 |
| Loire | River (basin) | native | 2196 |
| Lower Dnieper | River (basin) | native | 59043 |
| Lower Prypiats | River (basin) | native | 59043 |
| Lower Volga | River (basin) | native | 59043 |
| Medvedista | River (basin) | native | 59043 |
| Meuse | River (basin) | native | 30578 |
| Neman (Niamunas) River | River (basin) | native | 59043 |
| Northern Atlanto-Baltic river drainages and lakes | River (basin) | native | 59043 |
| Oder | River (basin) | native | 59043 |
| Odra River | River (basin) | native | 59043 |
| Onega River | River (basin) | native | 59043 |
| Palearctic | Zoogeographic realm | endemic | 9696 |
| Psel | River (basin) | native | 59043 |
| Rhine | River (basin) | native | 10012 |
| Sal | River (basin) | native | 59043 |
| Sea of Azov river drainages and lakes | River (basin) | native | 59043 |
| Seine | River (basin) | native | 30578 |
| Severskiy Donets | River (basin) | native | 59043 |
| Small Don Central | River (basin) | native | 59043 |
| Southern Baltic Coastal river drainages and lakes | River (basin) | native | 59043 |
| Syvash abo Gnyle more | River (basin) | native | 59043 |
| Teterev | River (basin) | native | 59043 |
| Tigris | River (basin) | native | 39702 |
| Upper Dnieper | River (basin) | native | 59043 |
| Upper Don | River (basin) | native | 59043 |
| Upper Prypiats | River (basin) | native | 59043 |
| Upper Volga | River (basin) | native | 59043 |
| Ural | River (basin) | native | 59043 |
| Vistula | River (basin) | native | 59043 |
| Volga | River (basin) | native | 26334 |
| Weser | River (basin) | native | 59043 |
| Yegorlyk-Manych | River (basin) | native | 59043 |
| Öland basins | River (basin) | native | 59043 |