| Taxonomic Group | Name | Year | Invasion Status | Population Status | Vectors |
|---|---|---|---|---|---|
| Crustaceans-Copepods | Argulus japonicus | 1988 | Definite | Established | Fisheries Accidental (not Oyster), Pet Release |
| Mollusks-Bivalves | Dreissena polymorpha | 1991 | Definite | Established | Ballast Water, Hull Fouling |