| Crustaceans-Barnacles | Amphibalanus amphitrite | 1998 | Non-native | Established | Ballast Water, Hull Fouling |
| Crustaceans-Barnacles | Balanus trigonus | 1977 | Non-native | Established | Ballast Water, Hull Fouling, Natural Dispersal |
| Fishes | Cyprinus carpio | 1970 | Non-native | Established | Fisheries Accidental (not Oyster), Fisheries Intentional |
| Cnidarians-Anthozoans | Diadumene lineata | 2000 | Non-native | Established | Hull Fouling |
| Fishes | Dorosoma petenense | 1961 | Non-native | Established | Fisheries Intentional |
| Protozoans | Haplosporidium nelsoni* | 1987 | Non-native | Established | Hull Fouling, Natural Dispersal, Oyster Accidental |
| Crustaceans-Isopods | Ligia exotica | 1976 | Non-native | Established | Cargo, Dry Ballast |
| Crustaceans-Barnacles | Loxothylacus panopaei | 2004 | Non-native | Established | Hull Fouling, Oyster Accidental |
| Crustaceans-Barnacles | Megabalanus coccopoma | 2010 | Non-native | Established | Hull Fouling, Natural Dispersal |
| Mollusks-Bivalves | Mytella strigata | 2006 | Non-native | Established | Hull Fouling |
| Crustaceans-Shrimp | Penaeus monodon | 2008 | Non-native | Established | Fisheries Accidental (not Oyster), Natural Dispersal |
| Crustaceans-Crabs | Petrolisthes armatus | 1994 | Non-native | Established | Ballast Water, Hull Fouling, Natural Dispersal, Oyster Accidental |
| Cnidarians-Scyphozoans | Phyllorhiza punctata | 2007 | Non-native | Established | Natural Dispersal |
| Crustaceans-Isopods | Sphaeroma terebrans | 1978 | Non-native | Established | None |
| Tunicates | Styela plicata | 1971 | Non-native | Established | Hull Fouling |