| Arthropoda-Insects | Agasicles hygrophila* | 1964 | Definite | Established | Biocontrol |
| Arthropoda-Insects | Amynothrips andersoni* | 1967 | Definite | Established | Biocontrol |
| Arthropoda-Insects | Arcola malloi* | 1971 | Definite | Established | Biocontrol |
| Crustaceans-Barnacles | Balanus trigonus | 1983 | Definite | Established | Ballast Water, Hull Fouling, Natural Dispersal |
| Cnidarians-Hydrozoans | Blackfordia virginica | 1978 | Definite | Established | Ballast Water, Hull Fouling |
| Mollusks-Bivalves | Corbicula fluminea | 1972 | Definite | Established | Discarded Bait, Fisheries Accidental (not Oyster), Fisheries Intentional, Pet Release |
| Fishes | Cyprinus carpio | 1923 | Definite | Established | Fisheries Accidental (not Oyster), Fisheries Intentional |
| Cnidarians-Anthozoans | Diadumene lineata | 1978 | Definite | Established | Hull Fouling |
| Fishes | Dorosoma petenense | 1968 | Definite | Established | Fisheries Intentional |
| Algae | Gracilaria vermiculophylla | 2013 | Definite | Established | Ballast Water, Hull Fouling, Natural Dispersal |
| Fishes | Ictalurus furcatus | 1971 | Definite | Established | Fisheries Intentional |
| Fishes | Ictalurus punctatus | 1941 | Definite | Established | None |
| Crustaceans-Copepods | Lernaea cyprinacea | 1978 | Definite | Established | Fisheries Accidental (not Oyster), Pet Release |
| Crustaceans-Isopods | Ligia exotica | 2003 | Definite | Established | Cargo, Dry Ballast |
| Crustaceans-Barnacles | Loxothylacus panopaei | 2004 | Definite | Established | Hull Fouling, Oyster Accidental |
| Crustaceans-Barnacles | Megabalanus coccopoma | 2010 | Definite | Established | None |
| Mollusks-Bivalves | Mytella strigata | 2008 | Definite | Established | Ballast Water, Hull Fouling |
| Crustaceans-Shrimp | Penaeus monodon | 2009 | Definite | Established | Fisheries Accidental (not Oyster), Natural Dispersal |
| Crustaceans-Crabs | Petrolisthes armatus | 2003 | Definite | Established | Ballast Water, Hull Fouling, Natural Dispersal, Oyster Accidental |
| Mollusks-Bivalves | Rangia cuneata | 1978 | Definite | Established | Ballast Water, Canal, Oyster Accidental |
| Mollusks-Bivalves | Teredo navalis | 1924 | Definite | Established | Hull Fouling |