Taxonomic GroupNameYearInvasion StatusPopulation StatusVectors
Mollusks-GastropodsBithynia tentaculata1928DefiniteEstablishedDry Ballast, Packing Material
Mollusks-GastropodsCipangopaludina chinensis1971DefiniteEstablishedNone
Cnidarians-HydrozoansCraspedacusta sowerbii2003DefiniteEstablishedAquatic Plant Shipments, Fisheries Accidental (not Oyster), Hull Fouling
Mollusks-BivalvesDreissena bugensis1992DefiniteEstablishedBallast Water, Natural Dispersal
Mollusks-BivalvesDreissena polymorpha1989DefiniteEstablishedBallast Water, Hull Fouling, Natural Dispersal
FishesNeogobius melanostomus*2007DefiniteEstablishedNatural Dispersal
Mollusks-GastropodsPotamopyrgus antipodarum1994DefiniteEstablishedBallast Water
* = Species summary still under review.