| 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 | 128574 |
| Barents Sea | Sea/Bay/Gulf | native | 125153 |
| Bay of Fundy | Sea/Bay/Gulf | native | 125153 |
| Beaufort Sea | Sea/Bay/Gulf | native | 3448 |
| Beaufort Sea - continental coast and shelf | Sea/Bay/Gulf | native | 3448 |
| Central Arctic | Sea/Bay/Gulf | native | 118460 |
| Cold Temperate Northeast Pacific | sea/bay/gulf | native | 3448 |
| Cold Temperate Northwest Atlantic | sea/bay/gulf | native | 96505 |
| Hudson Bay Complex | Sea/Bay/Gulf | native | 3448 |
| Lusitanian | sea/bay/gulf | native | 96418 |
| North Sea | Sea/Bay/Gulf | native | 3123 |
| Norwegian Sea | Sea/Bay/Gulf | native | 125153 |
| Oregon, Washington, Vancouver Coast and Shelf | Sea/Bay/Gulf | native | 865 |
| Pacific Ocean | Sea/Bay/Gulf | native | 93817 |
| Puget Trough/Georgia Basin | Sea/Bay/Gulf | native | 93817 |
| Salish Sea | Sea/Bay/Gulf | native | 93817 |
| Strait of Georgia | Sea/Bay/Gulf | native | 93817 |
| Temperate Northern Atlantic | sea/bay/gulf | native | 3123 |
| Temperate Northern Pacific | sea/bay/gulf | native | 865 |
| Virginian | Sea/Bay/Gulf | native | 865 |
| White Sea | Sea/Bay/Gulf | native | 125153 |