| Mollusks-Gastropods | Bithynia tentaculata | 1911 | Definite | Established | Dry Ballast, Hull Fouling, Natural Dispersal, Packing Material |
| Mollusks-Gastropods | Cipangopaludina chinensis | 1968 | Definite | Established | Fisheries Intentional |
| Mollusks-Bivalves | Corbicula fluminea | 1980 | Definite | Established | Aquatic Plant Shipments, Ballast Water, Discarded Bait, Fisheries Accidental (not Oyster), Pet Release |
| Mollusks-Bivalves | Dreissena polymorpha | 1988 | Definite | Established | Ballast Water |
| Mollusks-Gastropods | Heterogen japonica | 1945 | Definite | Established | Fisheries Intentional |
| Crustaceans-Crayfish | Procambarus clarkii | 1982 | Definite | Established | Discarded Bait, Fisheries Accidental (not Oyster), Fisheries Intentional |