| Nematodes | Anguillicola crassus* | 1999 | Definite | Established | Ballast Water, Fisheries Accidental (not Oyster), Natural Dispersal |
| Mollusks-Bivalves | Corbicula fluminea | 1980 | Definite | Established | Ballast Water, Canal, Fisheries Accidental (not Oyster), Fisheries Intentional, Pet Release |
| Cnidarians-Hydrozoans | Cordylophora caspia | 1926 | Definite | Established | Aquatic Plant Shipments, Fisheries Accidental (not Oyster), Hull Fouling |
| Algae | Cylindrospermopsis raciborskii* | 2005 | Definite | Established | Aquatic Plant Shipments, Ballast Water, Fisheries Accidental (not Oyster), Natural Dispersal |
| Fishes | Cyprinus carpio | None | Definite | Established | Fisheries Accidental (not Oyster), Fisheries Intentional |
| Fishes | Dorosoma petenense | 1953 | Definite | Established | Fisheries Intentional |
| Protozoans | Haplosporidium nelsoni* | 1960 | Definite | Established | Hull Fouling, Natural Dispersal, Oyster Accidental |
| Crustaceans-Crabs | Hemigrapsus sanguineus | 1995 | Definite | Established | Ballast Water, Hull Fouling, Natural Dispersal |
| Fishes | Ictalurus furcatus | 2016 | Definite | Established | Canal, Fisheries Intentional |
| Fishes | Ictalurus punctatus | 1891 | Definite | Established | Fisheries Intentional |
| Fishes | Lepomis microlophus | 1991 | Definite | Established | Fisheries Intentional |
| Crustaceans-Shrimp | Penaeus monodon | 2011 | Definite | Established | Fisheries Accidental (not Oyster), Natural Dispersal |
| Cnidarians-Scyphozoans | Phyllorhiza punctata | 2020 | Definite | Established | Natural Dispersal |
| Crustaceans-Crayfish | Procambarus clarkii | 2000 | Definite | Established | Discarded Bait, Fisheries Accidental (not Oyster), Pet Release |
| Mollusks-Bivalves | Rangia cuneata | 1957 | Definite | Established | Ballast Water, Canal, Oyster Accidental |
| Algae | Striaria attenuata* | 1991 | Definite | Established | Ballast Water, Hull Fouling, Natural Dispersal |
| Tunicates | Styela canopus | 1980 | Definite | Established | Hull Fouling |
| Bryozoans | Victorella pavida | 1973 | Definite | Established | Hull Fouling |