| Taxonomic Group | Name | Year | Invasion Status | Population Status | Vectors |
|---|---|---|---|---|---|
| Crustaceans-Amphipods | Corophium volutator | 1934 | Definite | Established | None |
| Platyhelminthes | Cryptocotyle lingua* | 2005 | Definite | Established | Dry Ballast, Fisheries Accidental (not Oyster), Fisheries Intentional, Hull Fouling, Natural Dispersal |
| Algae | Dasysiphonia japonica | 2012 | Definite | Established | Ballast Water, Hull Fouling, Natural Dispersal |