| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Atlantic Ocean | Sea/Bay/Gulf | native | 5723 |
| Baltic Sea | Sea/Bay/Gulf | questionable | 6114 |
| Beaufort Sea | Sea/Bay/Gulf | native | 118001 |
| Central Arctic | Sea/Bay/Gulf | native | 5723 |
| Chukchi Sea | Sea/Bay/Gulf | native | 121277 |
| Nearctic | Zoogeographic realm | native | 27547 |
| Northern Bering - Chukchi Seas | Sea/Bay/Gulf | native | 5723 |
| Pacific Ocean | Sea/Bay/Gulf | native | 1739 |
| Palearctic | Zoogeographic realm | introduced | 5723 |
| Pechora | River (basin) | native | 1998 |
| Sea of Okhotsk | Sea/Bay/Gulf | native | 50550 |
| Yukon | River (basin) | native | 27547 |