| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Abrolhos Archipelago | Sea/Bay/Gulf | native | 126840 |
| Aegean Sea | Sea/Bay/Gulf | native | 113897 |
| Agulhas Current | Sea/Bay/Gulf | native | 5222 |
| Arabian Sea | Sea/Bay/Gulf | questionable | 11228 |
| Atlantic Ocean | Sea/Bay/Gulf | native | 5222 |
| Azores Islands | Sea/Bay/Gulf | native | 5222 |
| Balearic Islands | Sea/Bay/Gulf | native | 95727 |
| Benguela Current | Sea/Bay/Gulf | native | 5222 |
| Black Sea | Sea/Bay/Gulf | native | 5222 |
| Canary Current | Sea/Bay/Gulf | native | 5222 |
| Cape Verde | Sea/Bay/Gulf | native | 94080 |
| Corsica Island | Sea/Bay/Gulf | native | 96325 |
| Crete Island | Sea/Bay/Gulf | native | 113897 |
| English Channel | Sea/Bay/Gulf | stray | 92236 |
| Guinea Current | Sea/Bay/Gulf | native | 5222 |
| Iberian Coastal | Sea/Bay/Gulf | native | 5222 |
| Indian Ocean | Sea/Bay/Gulf | native | 5222 |
| Ionian Sea | Sea/Bay/Gulf | native | 113897 |
| Irish Sea | Sea/Bay/Gulf | stray | 42360 |
| Mediterranean Sea | Sea/Bay/Gulf | native | 12382 |
| North Aegean | Sea/Bay/Gulf | native | 113897 |
| Ouémé | River (basin) | native | 57293 |
| Sardinia Island | Sea/Bay/Gulf | native | 13729 |
| Saronikos Gulf | Sea/Bay/Gulf | native | 113897 |
| Sea of Marmara | Sea/Bay/Gulf | native | 57855 |
| Sicily Island | Sea/Bay/Gulf | native | 13729 |
| South Aegean | Sea/Bay/Gulf | native | 113897 |
| Thermaikos Gulf | Sea/Bay/Gulf | native | 113897 |