Taxonomic GroupNameYearInvasion StatusPopulation StatusVectors
NematodesAnguillicola crassus*2005DefiniteEstablishedFisheries Accidental (not Oyster), Natural Dispersal
Arthropoda-InsectsAnisolabis maritima1920DefiniteEstablishedCargo, Dry Ballast
AlgaeAntithamnion hubbsii*1995DefiniteEstablishedBallast Water, Hull Fouling
TunicatesAscidiella aspersa1997DefiniteEstablishedHull Fouling
EntoproctsBarentsia benedeni2000DefiniteEstablishedHull Fouling
AlgaeBonnemaisonia hamifera1995DefiniteEstablishedBallast Water, Hull Fouling
TunicatesBotrylloides violaceus2000DefiniteEstablishedHull Fouling
BryozoansBugula neritina2000DefiniteEstablishedHull Fouling
BryozoansBugulina simplex2010DefiniteEstablishedHull Fouling
Crustaceans-AmphipodsCaprella mutica2000DefiniteEstablishedBallast Water, Hull Fouling
Crustaceans-CrabsCarcinus maenas1842DefiniteEstablishedDry Ballast, Hull Fouling, Natural Dispersal
AlgaeCeramium secundatum*2007DefiniteEstablishedBallast Water, Hull Fouling
Crustaceans-AmphipodsChelura terebrans1949DefiniteEstablishedHull Fouling
Crustaceans-BarnaclesChthamalus fragilis1977DefiniteEstablishedHull Fouling, Oyster Accidental
TunicatesCiona intestinalis1880DefiniteEstablishedHull Fouling
AlgaeCodium fragile ssp. Fragile1968DefiniteEstablishedBallast Water, Fisheries Accidental (not Oyster), Hull Fouling, Natural Dispersal, Oyster Accidental
Cnidarians-HydrozoansCordylophora caspia1870DefiniteEstablishedAquatic Plant Shipments, Fisheries Accidental (not Oyster), Hull Fouling
PlatyhelminthesCryptocotyle lingua*2001DefiniteEstablishedDry Ballast, Fisheries Accidental (not Oyster), Fisheries Intentional, Hull Fouling, Natural Dispersal
AlgaeDasysiphonia japonica2010DefiniteEstablishedBallast Water, Hull Fouling, Natural Dispersal
Cnidarians-AnthozoansDiadumene lineata1895DefiniteEstablishedHull Fouling
TunicatesDidemnum vexillum2000DefiniteEstablishedHull Fouling
TunicatesDiplosoma listerianum1998DefiniteEstablishedHull Fouling
AlgaeDumontia contorta*1940DefiniteEstablishedBallast Water, Hull Fouling
AlgaeGracilaria vermiculophylla2007DefiniteEstablishedBallast Water, Hull Fouling
Crustaceans-AmphipodsGrandidierella japonica2019DefiniteEstablishedBallast Water, Hull Fouling
AlgaeGrateloupia turuturu1996DefiniteEstablishedBallast Water, Hull Fouling
Crustaceans-CrabsHemigrapsus sanguineus1994DefiniteEstablishedBallast Water, Hull Fouling, Natural Dispersal
Crustaceans-IsopodsIaniropsis serricaudis2000DefiniteEstablishedNone
Mollusks-BivalvesIschadium recurvum1889DefiniteEstablishedOyster Accidental
Annelids-PolychaetesJanua heterostropha2000DefiniteEstablishedHull Fouling
FishesLepomis macrochirusNoneDefiniteEstablishedFisheries Intentional
Arthropoda-InsectsLipara rufitarsis*2000DefiniteEstablishedAquatic Plant Shipments, Cargo, Dry Ballast
Arthropoda-InsectsLipara similis*1998DefiniteEstablishedAquatic Plant Shipments, Cargo, Dry Ballast
Mollusks-GastropodsLittorina littorea1880DefiniteEstablishedDry Ballast, Hull Fouling, Natural Dispersal
AlgaeLomentaria clavellosa*1988DefiniteEstablishedBallast Water, Hull Fouling
AlgaeLomentaria orcadensis*1853DefiniteEstablishedHull Fouling
AlgaeMelanothamnus japonicus*1988DefiniteEstablishedBallast Water, Hull Fouling
BryozoansMembranipora membranacea2000DefiniteEstablishedBallast Water, Hull Fouling, Natural Dispersal
Crustaceans-AmphipodsMicrodeutopus gryllotalpa2000DefiniteEstablishedBallast Water, Hull Fouling
FishesMicropterus salmoides1959DefiniteEstablishedNone
Mollusks-GastropodsMyosotella myosotis1832DefiniteEstablishedCargo, Dry Ballast
Annelids-PolychaetesNeodexiospira brasiliensis2013DefiniteEstablishedHull Fouling
AlgaeNeopyropia yezoensis*2005DefiniteEstablishedBallast Water, Hull Fouling
Mollusks-BivalvesOstrea edulis2013DefiniteEstablishedBallast Water, Hull Fouling, Natural Dispersal
Crustaceans-ShrimpPalaemon macrodactylus2010DefiniteEstablishedBallast Water
ProtozoansPerkinsus marinus*1998DefiniteEstablishedOyster Accidental
Arthropoda-InsectsPetrobius brevistylis*1979DefiniteEstablishedDry Ballast, Hull Fouling
FishesPomoxis nigromaculatusNoneDefiniteEstablishedFisheries Intentional
Crustaceans-MysidsPraunus flexuosus2010DefiniteEstablishedNone
FishesSalmo trutta*NoneDefiniteEstablishedFisheries Intentional
Arthropoda-InsectsSclerocona acutella*2001DefiniteEstablishedAquatic Plant Shipments, Cargo, Dry Ballast
AlgaeStriaria attenuata*1988DefiniteEstablishedBallast Water, Hull Fouling
TunicatesStyela canopus1880DefiniteEstablishedHull Fouling
TunicatesStyela clava1976DefiniteEstablishedHull Fouling
Mollusks-BivalvesTeredo navalis1893DefiniteEstablishedHull Fouling
BryozoansTricellaria inopinata2013DefiniteEstablishedHull Fouling
AlgaeUlonema rhizophorum*2002DefiniteEstablishedNone
* = Species summary still under review.