| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Aegean Sea | Sea/Bay/Gulf | native | 113897 |
| Agulhas Current | Sea/Bay/Gulf | native | 5213 |
| Amur | River (basin) | questionable | 58298 |
| Amvrakikos Gulf | Sea/Bay/Gulf | native | 113897 |
| Arabian Sea | Sea/Bay/Gulf | native | 2872 |
| Atlantic Ocean | Sea/Bay/Gulf | native | 3573 |
| Atulayan Bay | Sea/Bay/Gulf | native | 41469 |
| Australian | Zoogeographic realm | native | 6390 |
| Balearic basins | River (basin) | native | 59043 |
| Balearic Islands | Sea/Bay/Gulf | native | 95727 |
| Balkan river drainages and lakes | River (basin) | native | 59043 |
| Bay of Bengal | Sea/Bay/Gulf | native | 5736 |
| Bay of Biscay river drainages and lakes | River (basin) | native | 59043 |
| Benguela Current | Sea/Bay/Gulf | native | 3573 |
| Black Sea | Sea/Bay/Gulf | native | 683 |
| Bug | River (basin) | native | 59043 |
| California Current | Sea/Bay/Gulf | native | 7251 |
| Canary Current | Sea/Bay/Gulf | native | 3573 |
| Cantabrian Sea | Sea/Bay/Gulf | native | 57747 |
| Cape Verde | Sea/Bay/Gulf | questionable | 94080 |
| Caribbean Sea | Sea/Bay/Gulf | native | 3791 |
| Casamance | River (basin) | native | 28587 |
| Caspian Sea | Lake | introduced | 39702 |
| Celestún Biosphere Reserve | Sea/Bay/Gulf | native | 74908 |
| Central Turkey river drainages and lakes | River (basin) | native | 59043 |
| Chesapeake Bay | Sea/Bay/Gulf | Native | 93252 |
| Chiku River | River (basin) | native | 36073 |
| Chilika Lake/Lagoon | Lagoon | native | 29108 |
| Coral Sea and GBR | Sea/Bay/Gulf | native | 9563 |
| Corsica basins | River (basin) | native | 59043 |
| Corsica Island | Sea/Bay/Gulf | native | 96325 |
| Cote Azur | River (basin) | native | 59043 |
| Crete Island | Sea/Bay/Gulf | native | 113897 |
| Crimean Peninsula | River (basin) | native | 59043 |
| Cyprus basins | River (basin) | native | 59043 |
| Danube Delta | River (basin) | native | 59043 |
| Dnester | River (basin) | native | 59043 |
| Dnieper-Bug Liman | River (basin) | native | 59043 |
| Don Delta | River (basin) | native | 59043 |
| Douro | River (basin) | native | 59043 |
| East Brazil Shelf | Sea/Bay/Gulf | native | 3791 |
| East Central Australian Shelf | Sea/Bay/Gulf | native | 6390 |
| East China Sea | Sea/Bay/Gulf | native | 11230 |
| Eastern Black Sea | River (basin) | native | 59043 |
| Eastern Mediterranean river drainages and lakes | River (basin) | native | 59043 |
| Ébrié Lagoon | Lagoon | native | 28587 |
| Ebro | River (basin) | native | 59043 |
| Erhjen River | River (basin) | native | 36073 |
| Ethiopian | Zoogeographic realm | native | 28587 |
| Evvoikos Gulf | Sea/Bay/Gulf | native | 113897 |
| Galician Shelf | Sea/Bay/Gulf | native | 57747 |
| Godavari | River (basin) | native | 51036 |
| Greek islands basins | River (basin) | native | 59043 |
| Guinea Current | Sea/Bay/Gulf | native | 26999 |
| Gulf of Maine | Sea/Bay/Gulf | native | 86779 |
| Gulf of Mexico | Sea/Bay/Gulf | native | 7251 |
| Han | River (basin) | native | 58345 |
| Humboldt Current | Sea/Bay/Gulf | native | 2850 |
| Iberian Coastal | Sea/Bay/Gulf | native | 40227 |
| Iberian main basins | River (basin) | native | 59043 |
| Indian Ocean | Sea/Bay/Gulf | native | 3573 |
| Indonesian Sea | Sea/Bay/Gulf | native | 7050 |
| Insular Pacific-Hawaiian | Sea/Bay/Gulf | native | 583 |
| Ionian Sea | Sea/Bay/Gulf | native | 113897 |
| Italy main basins | River (basin) | native | 59043 |
| Kaoping River | River (basin) | native | 36073 |
| Keiskama | River (basin) | native | 94789 |
| Kimbe Bay | Sea/Bay/Gulf | native | 28888 |
| Krinka | River (basin) | native | 59043 |
| Kuban River | River (basin) | native | 58296 |
| Kunene | River (basin) | native | 33857 |
| Kuroshio Current | Sea/Bay/Gulf | native | 559 |
| Lagonoy Gulf | Sea/Bay/Gulf | native | 43283 |
| Laguna de Términos | Lagoon | native | 79080 |
| Laguna del Mar Muerto | Lagoon | native | 74889 |
| Lingayen Gulf | Sea/Bay/Gulf | native | 45866 |
| Lower Danube | River (basin) | native | 59043 |
| Lower Dnieper | River (basin) | native | 59043 |
| Mediterranean Sea | Sea/Bay/Gulf | native | 683 |
| Milne Bay | Sea/Bay/Gulf | native | 41468 |
| Mississippi River | River (basin) | native | 78789 |
| Nearctic | Zoogeographic realm | native | 7251 |
| Neotropical | Zoogeographic realm | native | 3573 |
| New Zealand Shelf | Sea/Bay/Gulf | native | 5755 |
| North Aegean | Sea/Bay/Gulf | native | 113897 |
| North Australian Shelf | Sea/Bay/Gulf | native | 6390 |
| North Brazil Shelf | Sea/Bay/Gulf | native | 3791 |
| Northeast U.S. Continental Shelf | Sea/Bay/Gulf | native | 7251 |
| Orange | River (basin) | native | 33857 |
| Oriental | Zoogeographic realm | native | 2872 |
| Ormoc Bay | Sea/Bay/Gulf | native | 45140 |
| Pacific Central-American Coastal | Sea/Bay/Gulf | native | 2850 |
| Pacific Ocean | Sea/Bay/Gulf | native | 683 |
| Pagassitikos Gulf | Sea/Bay/Gulf | native | 113897 |
| Palearctic | Zoogeographic realm | native | 3573 |
| Panguil Bay | Sea/Bay/Gulf | native | 47626 |
| Peng-hu Island | Sea/Bay/Gulf | native | 55073 |
| Persian Gulf | Sea/Bay/Gulf | native | 683 |
| Peru-Galapagos Waters | Sea/Bay/Gulf | native | 2850 |
| Po | River (basin) | native | 59043 |
| Polynesian Waters | Sea/Bay/Gulf | native | 12792 |
| Prut | River (basin) | native | 59043 |
| Red Sea | Sea/Bay/Gulf | native | 84159 |
| Rhône | River (basin) | native | 59043 |
| Ruerhmen River | River (basin) | native | 36073 |
| Sabaki | River (basin) | native | 30558 |
| Sakarya Nehri | River (basin) | native | 59043 |
| Sakhalin Island | River (basin) | questionable | 58299 |
| Saloum | River (basin) | native | 28587 |
| San Miguel Bay | Sea/Bay/Gulf | native | 43275 |
| San Pedro Bay | Sea/Bay/Gulf | native | 46240 |
| Sanaga | River (basin) | native | 51193 |
| Sarata | River (basin) | native | 59043 |
| Sardinia basins | River (basin) | native | 59043 |
| Sardinia Island | Sea/Bay/Gulf | native | 13729 |
| Sava River | River (basin) | native | 59043 |
| Scotian Shelf | Sea/Bay/Gulf | native | 7251 |
| Sea of Azov | Sea/Bay/Gulf | native | 26334 |
| Sea of Azov river drainages and lakes | River (basin) | native | 59043 |
| Sea of Marmara | Sea/Bay/Gulf | native | 57855 |
| Senegal | River (basin) | native | 28587 |
| Shihtsao River | River (basin) | native | 36073 |
| Shiliao River | River (basin) | native | 36073 |
| Sicily basins | River (basin) | native | 59043 |
| Sicily Island | Sea/Bay/Gulf | native | 13729 |
| Sogod Bay | Sea/Bay/Gulf | native | 46392 |
| Somali Coastal Current | Sea/Bay/Gulf | native | 30558 |
| Sorsogon Bay | Sea/Bay/Gulf | native | 47531 |
| South Aegean | Sea/Bay/Gulf | native | 113897 |
| South Brazil Shelf | Sea/Bay/Gulf | native | 3791 |
| South China Sea | Sea/Bay/Gulf | native | 36648 |
| South West Australian Shelf | Sea/Bay/Gulf | native | 6390 |
| Southern Palawan | Sea/Bay/Gulf | native | 114805 |
| Southwest Chilean Waters | Sea/Bay/Gulf | native | 2850 |
| Sulu-Celebes Sea | Sea/Bay/Gulf | native | 2858 |
| Sumjin | River (basin) | native | 58345 |
| Syvash abo Gnyle more | River (basin) | native | 59043 |
| Tagus | River (basin) | native | 51031 |
| Tahiti Basins | River (basin) | native | 12792 |
| Tanshui River | River (basin) | native | 36073 |
| Tasman Sea | Sea/Bay/Gulf | native | 9563 |
| Tayabas Bay | Sea/Bay/Gulf | native | 47588 |
| Thermaikos Gulf | Sea/Bay/Gulf | native | 113897 |
| Tigris | River (basin) | native | 39702 |
| Tsengwen River | River (basin) | native | 36073 |
| West Central Australian Shelf | Sea/Bay/Gulf | native | 6390 |
| Yellow Sea | Sea/Bay/Gulf | native | 4868 |
| Yenice Irmagi | River (basin) | native | 59043 |
| Youngsan | River (basin) | native | 58345 |