| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Arctic | Sea/Bay/Gulf | native | 118443 |
| Atlantic Ocean | Sea/Bay/Gulf | native | 3881 |
| Baltic Sea | Sea/Bay/Gulf | native | 36252 |
| Barents Sea | Sea/Bay/Gulf | native | 59043 |
| Beaufort Sea | Sea/Bay/Gulf | native | 118001 |
| Beaufort Sea - continental coast and shelf | Sea/Bay/Gulf | native | 125579 |
| Canadian Eastern Arctic - West Greenland | Sea/Bay/Gulf | native | 35388 |
| Central Arctic | Sea/Bay/Gulf | native | 3881 |
| Chukchi Sea | Sea/Bay/Gulf | native | 121277 |
| East Bering Sea | Sea/Bay/Gulf | native | 26334 |
| East Siberian Sea | Sea/Bay/Gulf | native | 26334 |
| Greenland Sea | Sea/Bay/Gulf | native | 35388 |
| Gulf of Alaska | Sea/Bay/Gulf | native | 2058 |
| Hudson Bay Complex | Sea/Bay/Gulf | native | 35388 |
| Kara Sea | Sea/Bay/Gulf | native | 123027 |
| Labrador - Newfoundland | Sea/Bay/Gulf | native | 35388 |
| Ladoga Lake | Lake | native | 26334 |
| Laptev Sea | Sea/Bay/Gulf | native | 26334 |
| Nearctic | Zoogeographic realm | endemic | 27547 |
| Northern Bering - Chukchi Seas | Sea/Bay/Gulf | native | 4645 |
| Onega Lake | Lake | native | 26334 |
| Pacific Ocean | Sea/Bay/Gulf | native | 3881 |
| West Bering Sea | Sea/Bay/Gulf | native | 26334 |