| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Atlantic Ocean | Sea/Bay/Gulf | native | 1744 |
| Magellanic | sea/bay/gulf | native | 87398 |
| Malvinas/Falklands | Sea/Bay/Gulf | native | 87398 |
| North Patagonian Gulfs | Sea/Bay/Gulf | native | 1744 |
| Pacific Ocean | Sea/Bay/Gulf | native | 87398 |
| Scotia Sea | Sea/Bay/Gulf | native | 1744 |
| Temperate South America | sea/bay/gulf | native | 1744 |