| Taxonomic Group | Name | Year | Invasion Status | Population Status | Vectors |
|---|---|---|---|---|---|
| Bryozoans | Bugula neritina | 1999 | Definite | Established | Hull Fouling |
| Mollusks-Gastropods | Cipangopaludina chinensis | 2009 | Definite | Established | None |
| Mollusks-Bivalves | Corbicula fluminea | 2009 | Definite | Established | Discarded Bait, Fisheries Accidental (not Oyster), Natural Dispersal |
| Cnidarians-Hydrozoans | Cordylophora caspia | 1975 | Definite | Established | Hull Fouling, Oyster Accidental |
| Fishes | Hypomesus nipponensis | 1959 | Definite | Established | Fisheries Intentional |
| Mollusks-Bivalves | Mya arenaria | 1920 | Definite | Established | Fisheries Intentional |
| Mollusks-Gastropods | Potamopyrgus antipodarum | 2008 | Definite | Established | Fisheries Accidental (not Oyster), Natural Dispersal |