| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Andaman | sea/bay/gulf | native | 2992 |
| Arctic | Sea/Bay/Gulf | native | 1663 |
| Arctic - province | Sea/Bay/Gulf | native | 1663 |
| Atlantic Ocean | Sea/Bay/Gulf | native | 1663 |
| Baffin Bay | Sea/Bay/Gulf | native | 1663 |
| Baffin Bay - Davis Strait | Sea/Bay/Gulf | native | 1663 |
| Baltic Sea | Sea/Bay/Gulf | native | 2993 |
| Barents Sea | Sea/Bay/Gulf | native | 3527 |
| Black Sea | Sea/Bay/Gulf | native | 128510 |
| Black Sea - province | Sea/Bay/Gulf | native | 128510 |
| California Current | Sea/Bay/Gulf | introduced | 1663 |
| Caribbean Sea | Sea/Bay/Gulf | native | 2992 |
| Caspian Sea | Lake | introduced | 3452 |
| Central Arctic | Sea/Bay/Gulf | native | 1663 |
| Chukchi Sea | Sea/Bay/Gulf | native | 118514 |
| Cold Temperate Northeast Pacific | sea/bay/gulf | native | 1663 |
| Cold Temperate Northwest Atlantic | sea/bay/gulf | native | 3017 |
| East China Sea | Sea/Bay/Gulf | native | 3056 |
| German Bight | Sea/Bay/Gulf | native | 2711 |
| Greater Antilles | Sea/Bay/Gulf | native | 3063 |
| Gulf of Mexico | Sea/Bay/Gulf | native | 2376 |
| Hudson Bay Complex | Sea/Bay/Gulf | native | 1663 |
| Hudson Complex | Sea/Bay/Gulf | native | 1663 |
| Indian Ocean | Sea/Bay/Gulf | native | 2992 |
| Juan de Fuca Strait | Sea/Bay/Gulf | native | 93875 |
| Kuroshio Current | Sea/Bay/Gulf | native | 2989 |
| Lusitanian | sea/bay/gulf | native | 364 |
| Mediterranean Sea | Sea/Bay/Gulf | native | 358 |
| North and East Barents Sea | Sea/Bay/Gulf | native | 106119 |
| North Sea | Sea/Bay/Gulf | native | 3031 |
| Northern and Central Red Sea | Sea/Bay/Gulf | introduced | 78573 |
| Northern Bering - Chukchi Seas | Sea/Bay/Gulf | native | 118514 |
| Northern European Seas | Sea/Bay/Gulf | native | 116519 |
| Northern Norway and Finnmark | Sea/Bay/Gulf | native | 106119 |
| Pacific Central-American Coastal | Sea/Bay/Gulf | native | 2992 |
| Pacific Ocean | Sea/Bay/Gulf | native | 2998 |
| Puget Trough/Georgia Basin | Sea/Bay/Gulf | native | 93875 |
| Red Sea | Sea/Bay/Gulf | native | 78537 |
| Red Sea and Gulf of Aden | sea/bay/gulf | native | 78537 |
| Saharan Upwelling | Sea/Bay/Gulf | native | 364 |
| Salish Sea | Sea/Bay/Gulf | native | 93875 |
| Sea of Japan/East Sea | Sea/Bay/Gulf | native | 125109 |
| Sea of Okhotsk | Sea/Bay/Gulf | native | 125109 |
| South and West Iceland | Sea/Bay/Gulf | native | 125496 |
| South China Sea | Sea/Bay/Gulf | native | 129471 |
| Southern Caribbean | Sea/Bay/Gulf | native | 2992 |
| Strait of Magellan | Sea/Bay/Gulf | native | 93520 |
| Temperate Northern Atlantic | sea/bay/gulf | native | 358 |
| Temperate Northern Pacific | sea/bay/gulf | native | 2989 |
| Tropical Atlantic | sea/bay/gulf | native | 3063 |
| Tropical East Pacific | sea/bay/gulf | native | 2975 |
| Tropical Northwestern Atlantic | sea/bay/gulf | native | 2992 |
| Tunisian Plateau/Gulf of Sidra | Sea/Bay/Gulf | native | 364 |
| Virginian | Sea/Bay/Gulf | native | 3017 |
| West Philippine Sea | Sea/Bay/Gulf | native | 129471 |
| Western Indo-Pacific | sea/bay/gulf | native | 113487 |
| Western Mediterranean | Sea/Bay/Gulf | native | 364 |
| White Sea | Sea/Bay/Gulf | native | 106119 |