| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Arctic | Sea/Bay/Gulf | native | 3448 |
| Arctic - province | Sea/Bay/Gulf | native | 3448 |
| Atlantic Ocean | Sea/Bay/Gulf | native | 96235 |
| Baffin Bay | Sea/Bay/Gulf | native | 3448 |
| Baffin Bay - Davis Strait | Sea/Bay/Gulf | native | 3448 |
| Baltic Sea | Sea/Bay/Gulf | native | 96235 |
| Barents Sea | Sea/Bay/Gulf | native | 117441 |
| Beaufort Sea | Sea/Bay/Gulf | native | 3448 |
| Beaufort Sea - continental coast and shelf | Sea/Bay/Gulf | native | 3448 |
| Central Arctic | Sea/Bay/Gulf | native | 124008 |
| Chukchi Sea | Sea/Bay/Gulf | native | 121994 |
| Hudson Bay Complex | Sea/Bay/Gulf | native | 3448 |
| Kara Sea | Sea/Bay/Gulf | native | 117501 |
| North and East Barents Sea | Sea/Bay/Gulf | native | 117441 |
| North Greenland | Sea/Bay/Gulf | native | 125132 |
| North Sea | Sea/Bay/Gulf | native | 3477 |
| Northern Norway and Finnmark | Sea/Bay/Gulf | native | 113987 |
| Pacific Ocean | Sea/Bay/Gulf | native | 125131 |
| Sakhalin Island | River (basin) | native | 125131 |
| Sea of Okhotsk | Sea/Bay/Gulf | native | 125131 |
| Strait of Georgia | Sea/Bay/Gulf | native | 93816 |
| Temperate Northern Atlantic | sea/bay/gulf | native | 96235 |