| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Arabian Sea | Sea/Bay/Gulf | native | 77646 |
| Atlantic Ocean | Sea/Bay/Gulf | introduced | 3477 |
| Central Indo-Pacific | sea/bay/gulf | native | 348 |
| Cold Temperate Northeast Pacific | sea/bay/gulf | introduced | 74657 |
| Cold Temperate Northwest Pacific | sea/bay/gulf | native | 81847 |
| East Caroline Islands | Sea/Bay/Gulf | native | 348 |
| Eastern Indo-Pacific | sea/bay/gulf | introduced | 74657 |
| Fiji Islands | Sea/Bay/Gulf | introduced | 74657 |
| Gulf of Alaska | Sea/Bay/Gulf | native | 93895 |
| Hawaii | Sea/Bay/Gulf | introduced | 348 |
| Hawaii - province | Sea/Bay/Gulf | introduced | 348 |
| Hecate Strait | Sea/Bay/Gulf | native | 93895 |
| Indian Ocean | Sea/Bay/Gulf | native | 348 |
| Insular Pacific-Hawaiian | Sea/Bay/Gulf | introduced | 3356 |
| Kuriles Islands | Sea/Bay/Gulf | native | 77646 |
| Lusitanian | sea/bay/gulf | introduced | 74657 |
| Mariana Islands | Sea/Bay/Gulf | native | 348 |
| Mediterranean Sea | Sea/Bay/Gulf | introduced | 85339 |
| North Sea | Sea/Bay/Gulf | introduced | 129061 |
| Northern European Seas | Sea/Bay/Gulf | introduced | 74657 |
| Oregon, Washington, Vancouver Coast and Shelf | Sea/Bay/Gulf | native | 94068 |
| Pacific Ocean | Sea/Bay/Gulf | native | 348 |
| Puget Sound | Sea/Bay/Gulf | native | 94068 |
| Puget Trough/Georgia Basin | Sea/Bay/Gulf | native | 93817 |
| Salish Sea | Sea/Bay/Gulf | native | 93817 |
| Sea of Japan/East Sea | Sea/Bay/Gulf | native | 348 |
| Sea of Okhotsk | Sea/Bay/Gulf | native | 81847 |
| South China Sea | Sea/Bay/Gulf | native | 348 |
| South India and Sri Lanka | Sea/Bay/Gulf | native | 348 |
| Southeast Polynesia | sea/bay/gulf | introduced | 74657 |
| Southern China | Sea/Bay/Gulf | native | 77910 |
| Strait of Georgia | Sea/Bay/Gulf | native | 93817 |
| Sunda Shelf | sea/bay/gulf | native | 348 |
| Temperate Northern Atlantic | sea/bay/gulf | introduced | 85339 |
| Temperate Northern Pacific | sea/bay/gulf | native | 81847 |
| Tropical Northwestern Pacific | sea/bay/gulf | native | 348 |
| Tropical Southwestern Pacific | sea/bay/gulf | introduced | 74657 |
| West and South Indian Shelf | sea/bay/gulf | native | 348 |
| West Caroline Islands | Sea/Bay/Gulf | native | 348 |
| Western Indo-Pacific | sea/bay/gulf | native | 348 |