| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Atlantic Ocean | Sea/Bay/Gulf | native | 6258 |
| Beaufort Sea | Sea/Bay/Gulf | native | 118001 |
| Central Arctic | Sea/Bay/Gulf | native | 6258 |
| Chukchi Sea | Sea/Bay/Gulf | native | 121277 |
| Kara Sea | Sea/Bay/Gulf | native | 123027 |
| Lake Baikal | Lake | native | 26334 |
| Laptev Sea | Sea/Bay/Gulf | native | 117988 |
| Mackenzie | River (basin) | native | 5723 |
| Mezen' River | River (basin) | native | 26334 |
| Nearctic | Zoogeographic realm | native | 119194 |
| Northern Bering - Chukchi Seas | Sea/Bay/Gulf | native | 6258 |
| Pacific Ocean | Sea/Bay/Gulf | native | 10882 |
| Palearctic | Zoogeographic realm | endemic | 6258 |
| White Sea | Sea/Bay/Gulf | native | 96339 |