Taxonomic GroupNameYearInvasion StatusPopulation StatusVectors
Cnidarians-HydrozoansCordylophora caspia1956DefiniteEstablishedAquatic Plant Shipments, Fisheries Accidental (not Oyster), Hull Fouling
Cnidarians-HydrozoansCraspedacusta sowerbii1971DefiniteEstablishedAquatic Plant Shipments, Fisheries Accidental (not Oyster), Hull Fouling
Crustaceans-CladoceransDaphnia lumholtzi1999DefiniteEstablishedAquatic Plant Shipments, Ballast Water, Pet Release
Mollusks-BivalvesDreissena bugensis1996DefiniteEstablishedBallast Water
Mollusks-BivalvesDreissena polymorpha1987DefiniteEstablishedBallast Water
BryozoansLophopodella carteri1934DefiniteEstablishedAquatic Plant Shipments, Natural Dispersal
* = Species summary still under review.