| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Arabian Sea | Sea/Bay/Gulf | native | 124582 |
| Arctic | Sea/Bay/Gulf | native | 118443 |
| Arctic - province | Sea/Bay/Gulf | native | 118443 |
| Atlantic Ocean | Sea/Bay/Gulf | native | 124582 |
| Baltic Sea | Sea/Bay/Gulf | native | 124582 |
| Barents Sea | Sea/Bay/Gulf | native | 124582 |
| Beaufort Sea | Sea/Bay/Gulf | native | 121105 |
| Beaufort Sea - continental coast and shelf | Sea/Bay/Gulf | native | 121105 |
| Black Sea | Sea/Bay/Gulf | native | 124582 |
| Canadian Eastern Arctic - West Greenland | Sea/Bay/Gulf | native | 124982 |
| Caspian Sea | Lake | native | 124582 |
| Central Arctic | Sea/Bay/Gulf | native | 118986 |
| Chukchi Sea | Sea/Bay/Gulf | native | 4454 |
| Cold Temperate Northeast Pacific | sea/bay/gulf | native | 93875 |
| East Bering Sea | Sea/Bay/Gulf | native | 124582 |
| East China Sea | Sea/Bay/Gulf | native | 124582 |
| East Siberian Sea | Sea/Bay/Gulf | native | 124582 |
| Gulf of Alaska | Sea/Bay/Gulf | native | 124582 |
| Gulf of California | Sea/Bay/Gulf | native | 124582 |
| Gulf of Mexico | Sea/Bay/Gulf | native | 124582 |
| Gulf of Oman | Sea/Bay/Gulf | native | 124582 |
| Iceland Shelf and Sea | Sea/Bay/Gulf | native | 124582 |
| Juan de Fuca Strait | Sea/Bay/Gulf | native | 93875 |
| Kamchatka | Sea/Bay/Gulf | native | 124582 |
| Kara Sea | Sea/Bay/Gulf | native | 124582 |
| Kuriles Islands | Sea/Bay/Gulf | native | 124582 |
| Laptev Sea | Sea/Bay/Gulf | native | 124582 |
| Mediterranean Sea | Sea/Bay/Gulf | native | 124582 |
| North Sea | Sea/Bay/Gulf | native | 96348 |
| Norwegian Sea | Sea/Bay/Gulf | native | 124582 |
| Pacific Ocean | Sea/Bay/Gulf | native | 93875 |
| Puget Trough/Georgia Basin | Sea/Bay/Gulf | native | 93875 |
| Sakhalin Island | River (basin) | native | 124582 |
| Salish Sea | Sea/Bay/Gulf | native | 93875 |
| Sea of Japan/East Sea | Sea/Bay/Gulf | native | 124582 |
| Sea of Okhotsk | Sea/Bay/Gulf | native | 124582 |
| Temperate Northern Atlantic | sea/bay/gulf | native | 96348 |
| West Bering Sea | Sea/Bay/Gulf | native | 124582 |
| White Sea | Sea/Bay/Gulf | native | 124582 |
| Yellow Sea | Sea/Bay/Gulf | native | 124582 |