| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Atlantic Ocean | Sea/Bay/Gulf | native | 593 |
| Central Arctic | Sea/Bay/Gulf | native | 593 |
| East Siberian Sea | Sea/Bay/Gulf | native | 593 |
| Kara Sea | Sea/Bay/Gulf | native | 26334 |
| Kolyma | River (basin) | native | 26334 |
| Laptev Sea | Sea/Bay/Gulf | native | 593 |
| Palearctic | Zoogeographic realm | endemic | 593 |
| Volga | River (basin) | native | 58297 |