| Taxonomic Group | Name | Year | Invasion Status | Population Status | Vectors |
|---|---|---|---|---|---|
| Arthropoda-Insects | Aedes togoi* | None | Definite | Established | None |
| Fishes | Alosa sapidissima | 1883 | Definite | Established | Natural Dispersal |
| Crustaceans-Amphipods | Grandidierella japonica | 2002 | Definite | Established | Ballast Water, Hull Fouling, Natural Dispersal, Oyster Accidental |
| Mollusks-Gastropods | Potamopyrgus antipodarum | 2002 | Definite | Established | Fisheries Accidental (not Oyster), Natural Dispersal |