| Taxonomic Group | Name | Year | Invasion Status | Population Status | Vectors |
|---|---|---|---|---|---|
| Mollusks-Gastropods | Bithynia tentaculata | 1871 | Definite | Established | Dry Ballast, Packing Material |
| Cnidarians-Hydrozoans | Cordylophora caspia | 1998 | Definite | Established | Hull Fouling |
| Mollusks-Bivalves | Dreissena polymorpha | 1988 | Definite | Established | Ballast Water |
| Bryozoans | Lophopodella carteri | 1995 | Definite | Established | Aquatic Plant Shipments, Hull Fouling, Natural Dispersal |
| Fishes | Misgurnus anguillicaudatus* | 1994 | Definite | Established | Pet Release |