Taxonomic GroupNameYearInvasion StatusPopulation StatusVectors
Crustaceans-BarnaclesAmphibalanus improvisus1844DefiniteEstablishedHull Fouling
NematodesAnguillicola crassus*1988DefiniteEstablishedFisheries Accidental (not Oyster)
Crustaceans-CladoceransCercopagis pengoi*1999DefiniteEstablishedNone
Cnidarians-HydrozoansCordylophora caspia1871DefiniteEstablishedCanal, Hull Fouling
FishesCyprinus carpio1300DefiniteEstablishedFisheries Intentional
Mollusks-BivalvesDreissena polymorpha1850DefiniteEstablishedCanal, Hull Fouling
Crustaceans-AmphipodsEchinogammarus ischnus1964DefiniteEstablishedCanal
Crustaceans-CrabsEriocheir sinensis1933DefiniteEstablishedBallast Water, Hull Fouling, Natural Dispersal
Crustaceans-CopepodsEurytemora carolleeae2013DefiniteEstablishedBallast Water
Crustaceans-AmphipodsGammarus tigrinus2000DefiniteEstablishedBallast Water, Canal
Crustaceans-MysidsHemimysis anomala*1995DefiniteEstablishedBallast Water, Habitat Restoration
Crustaceans-MysidsHemimysis anomala*1962DefiniteEstablishedFisheries Intentional, Natural Dispersal
BryozoansJuxtacribrilina mutabilis2020DefiniteEstablishedNone
Cnidarians-HydrozoansMaeotias marginata1999DefiniteEstablishedBallast Water, Hull Fouling
Annelids-PolychaetesMarenzelleria neglecta1994DefiniteEstablishedBallast Water
Annelids-PolychaetesMarenzelleria viridis1988DefiniteEstablishedBallast Water, Natural Dispersal
Crustaceans-AmphipodsMelita nitida2014DefiniteEstablishedBallast Water, Hull Fouling
CtenophoresMnemiopsis leidyi*2007DefiniteEstablishedBallast Water, Natural Dispersal
Mollusks-BivalvesMya arenaria1917DefiniteEstablishedDry Ballast, Fisheries Intentional, Natural Dispersal
Mollusks-BivalvesMytilopsis leucophaeata1962DefiniteEstablishedBallast Water, Hull Fouling
FishesNeogobius melanostomus*1990DefiniteEstablishedBallast Water, Canal
Crustaceans-ShrimpPalaemon elegans2000DefiniteEstablishedBallast Water, Canal
Crustaceans-ShrimpPalaemon macrodactylus2014DefiniteEstablishedBallast Water
Mollusks-GastropodsPotamopyrgus antipodarum1920DefiniteEstablishedCargo, Dry Ballast, Natural Dispersal, Packing Material
Annelids-OligochaetesPotamothrix bavaricus*1996DefiniteEstablishedBallast Water, Canal, Fisheries Accidental (not Oyster), Natural Dispersal
Annelids-OligochaetesPotamothrix vejdovskyi*1996DefiniteEstablishedBallast Water, Canal, Fisheries Accidental (not Oyster), Natural Dispersal
PlatyhelminthesPseudodactylogyrus anguillae*1977DefiniteEstablishedFisheries Accidental (not Oyster)
Mollusks-BivalvesRangia cuneata2010DefiniteEstablishedBallast Water
Crustaceans-CrabsRhithropanopeus harrisii1948DefiniteEstablishedBallast Water, Hull Fouling, Natural Dispersal
Crustaceans-TanaidsSinelobus cf. stanfordi2017DefiniteEstablishedBallast Water, Hull Fouling
Annelids-PolychaetesStreblospio benedicti1995DefiniteEstablishedBallast Water, Hull Fouling
Arthropoda-InsectsTelmatogeton japonicus*1986DefiniteEstablishedCargo, Hull Fouling
BryozoansVictorella pavida1964DefiniteEstablishedHull Fouling
* = Species summary still under review.