| Annelids-Polychaetes | Boccardiella ligerica | 1998 | Definite | Established | Ballast Water |
| Tunicates | Botrylloides violaceus | 2013 | Definite | Established | Hull Fouling |
| Crustaceans-Crabs | Carcinus maenas | 1817 | Definite | Established | Dry Ballast, Hull Fouling, Natural Dispersal |
| Mollusks-Bivalves | Cyrenoida floridana | 1998 | Definite | Established | Canal, Dry Ballast, Unknown Vector |
| Protozoans | Haplosporidium nelsoni* | 1958 | Definite | Established | Hull Fouling, Natural Dispersal, Oyster Accidental |
| Crustaceans-Crabs | Hemigrapsus sanguineus | 1988 | Definite | Established | Ballast Water, Hull Fouling, Natural Dispersal |
| Fishes | Lepomis macrochirus | None | Definite | Established | Fisheries Intentional |
| Crustaceans-Isopods | Ligia exotica | 1930 | Definite | Established | Cargo, Dry Ballast |
| Arthropoda-Insects | Lipara pullitarsis* | 2002 | Definite | Established | Aquatic Plant Shipments, Cargo, Dry Ballast |
| Mollusks-Gastropods | Littorina littorea | 1892 | Definite | Established | Dry Ballast, Hull Fouling, Natural Dispersal |
| Fishes | Micropterus salmoides | 1952 | Definite | Established | Fisheries Intentional |
| Arthropoda-Insects | Nacerdes melanura* | None | Definite | Established | Cargo, Hull Fouling |
| Protozoans | Perkinsus marinus* | 1982 | Definite | Established | Oyster Accidental |
| Tunicates | Styela clava | 1998 | Definite | Established | Hull Fouling |
| Mollusks-Bivalves | Teredo navalis | 1873 | Definite | Established | Hull Fouling |