| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Atlantic Ocean | Sea/Bay/Gulf | native | 87801 |
| Channels and Fjords of Southern Chile | Sea/Bay/Gulf | native | 83435 |
| Chiloense | Sea/Bay/Gulf | native | 83435 |
| Magellanic | sea/bay/gulf | native | 83435 |
| Malvinas/Falklands | Sea/Bay/Gulf | native | 83435 |
| North Patagonian Gulfs | Sea/Bay/Gulf | native | 83435 |
| Pacific Ocean | Sea/Bay/Gulf | native | 90098 |
| Patagonian Shelf | Sea/Bay/Gulf | native | 105973 |
| Rio Grande | Sea/Bay/Gulf | native | 83435 |
| Strait of Magellan | Sea/Bay/Gulf | native | 83435 |
| Temperate South America | sea/bay/gulf | native | 83435 |
| Warm Temperate Southwestern Atlantic | sea/bay/gulf | native | 83435 |