Taxonomic GroupNameYearInvasion StatusPopulation StatusVectors
FishesAcanthogobius flavimanus2023DefiniteEstablishedNatural Dispersal
Annelids-PolychaetesAlitta succinea2015DefiniteEstablishedBallast Water, Hull Fouling
FishesAlosa sapidissima1891DefiniteEstablishedNatural Dispersal
Crustaceans-BarnaclesAmphibalanus improvisus2003DefiniteEstablishedBallast Water, Hull Fouling, Oyster Accidental
Crustaceans-AmphipodsAmpithoe valida2000DefiniteEstablishedBallast Water, Discarded Bait, Hull Fouling, Oyster Accidental
Crustaceans-AmphipodsAoroides secunda2015DefiniteEstablishedBallast Water, Hull Fouling
Mollusks-BivalvesArcuatula senhousia2001DefiniteEstablishedBallast Water, Hull Fouling, Oyster Accidental
EntoproctsBarentsia benedeni2000DefiniteEstablishedHull Fouling, Oyster Accidental
TunicatesBotrylloides violaceus1992DefiniteEstablishedHull Fouling
TunicatesBotryllus schlosseri1972DefiniteEstablishedHull Fouling, Oyster Accidental
BryozoansBugula neritina1999DefiniteEstablishedHull Fouling, Oyster Accidental
BryozoansBugulina stolonifera2001DefiniteEstablishedHull Fouling, Oyster Accidental
Crustaceans-AmphipodsCaprella drepanochir2006DefiniteEstablishedBallast Water, Hull Fouling, Oyster Accidental
Crustaceans-AmphipodsCaprella mutica1973DefiniteEstablishedBallast Water, Hull Fouling, Oyster Accidental
Crustaceans-CrabsCarcinus maenas1995DefiniteEstablishedBallast Water, Discarded Bait, Natural Dispersal
SpongesChalinula loosanoffi*2002DefiniteEstablishedHull Fouling, Oyster Accidental
Crustaceans-AmphipodsChelura terebrans2000DefiniteEstablishedHull Fouling
TunicatesCiona savignyi2001DefiniteEstablishedBallast Water, Hull Fouling
SpongesClathria prolifera*2000DefiniteEstablishedHull Fouling, Oyster Accidental
BryozoansConopeum tenuissimum2000DefiniteEstablishedBallast Water, Hull Fouling, Oyster Accidental
Cnidarians-HydrozoansCordylophora caspia1968DefiniteEstablishedHull Fouling, Oyster Accidental
TunicatesCorella inflata2009DefiniteEstablishedHull Fouling
Mollusks-GastropodsCrepidula convexa1989DefiniteEstablishedHull Fouling, Oyster Accidental
BryozoansCryptosula pallasiana2000DefiniteEstablishedHull Fouling, Oyster Accidental
Cnidarians-AnthozoansDiadumene leucolena2000DefiniteEstablishedBallast Water, Hull Fouling, Oyster Accidental
Cnidarians-AnthozoansDiadumene lineata1974DefiniteEstablishedHull Fouling, Oyster Accidental
Cnidarians-AnthozoansDiadumene paranaensis1988DefiniteEstablishedBallast Water, Hull Fouling
TunicatesDidemnum vexillum2001DefiniteEstablishedHull Fouling, Oyster Accidental
TunicatesDiplosoma listerianum2001DefiniteEstablishedHull Fouling, Oyster Accidental
Cnidarians-HydrozoansEctopleura crocea2003DefiniteEstablishedHull Fouling
Crustaceans-OstracodsEusarsiella zostericola2011DefiniteEstablishedNone
AlgaeFucus spiralis1994DefiniteEstablishedDiscarded Bait, Dry Ballast, Hull Fouling, Oyster Accidental
FishesGambusia affinis2000DefiniteEstablishedBiocontrol
Mollusks-BivalvesGemma gemma1992DefiniteEstablishedOyster Accidental
AlgaeGracilaria vermiculophylla2017DefiniteEstablishedOyster Accidental
Crustaceans-AmphipodsGrandidierella japonica1985DefiniteEstablishedBallast Water, Hull Fouling, Oyster Accidental
SpongesHalichondria bowerbanki*1989DefiniteEstablishedHull Fouling, Oyster Accidental
Annelids-PolychaetesHeteromastus filiformis species complex2000DefiniteEstablishedBallast Water, Hull Fouling, Oyster Accidental
Annelids-PolychaetesHydroides elegans2003DefiniteEstablishedBallast Water, Hull Fouling
Crustaceans-IsopodsIais californica1931DefiniteEstablishedBallast Water, Hull Fouling
Crustaceans-AmphipodsIncisocalliope derzhavini2000DefiniteEstablishedBallast Water, Hull Fouling
Crustaceans-AmphipodsJassa marmorata2000DefiniteEstablishedBallast Water, Discarded Bait, Hull Fouling, Oyster Accidental
ProtozoansLagenophrys cochinensis*1931DefiniteEstablishedHull Fouling
Mollusks-BivalvesLaternula gracilis1995DefiniteEstablishedBallast Water
Crustaceans-IsopodsLimnoria quadripunctata1949DefiniteEstablishedHull Fouling
AlgaeLomentaria hakodatensis*1990DefiniteEstablishedBallast Water, Hull Fouling, Oyster Accidental
Annelids-PolychaetesMegasyllis nipponica2015DefiniteEstablishedBallast Water, Habitat Restoration
Crustaceans-AmphipodsMelita nitida2000DefiniteEstablishedBallast Water, Discarded Bait, Hull Fouling, Oyster Accidental
Crustaceans-AmphipodsMicrodeutopus gryllotalpa1985DefiniteEstablishedBallast Water, Discarded Bait, Hull Fouling
TunicatesMolgula citrina2011DefiniteEstablishedFisheries Accidental (not Oyster), Hull Fouling, Oyster Accidental
TunicatesMolgula manhattensis1996DefiniteEstablishedHull Fouling
Crustaceans-AmphipodsMonocorophium acherusicum1971DefiniteEstablishedBallast Water, Hull Fouling, Oyster Accidental
Crustaceans-AmphipodsMonocorophium insidiosum2000DefiniteEstablishedBallast Water, Hull Fouling, Oyster Accidental
Crustaceans-AmphipodsMonocorophium uenoi2000DefiniteEstablishedBallast Water, Hull Fouling, Oyster Accidental
Mollusks-BivalvesMya arenaria1917DefiniteEstablishedFisheries Intentional
Mollusks-GastropodsMyosotella myosotis1876DefiniteEstablishedCargo, Dry Ballast, Oyster Accidental
Crustaceans-CopepodsMytilicola orientalis1963DefiniteEstablishedHull Fouling, Oyster Accidental
Mollusks-BivalvesMytilus galloprovincialis1990DefiniteEstablishedBallast Water, Fisheries Intentional, Hull Fouling
Cnidarians-AnthozoansNematostella vectensis1992DefiniteEstablishedBallast Water, Hull Fouling, Oyster Accidental
Annelids-PolychaetesNicolea sp. A. Harris2011DefiniteEstablishedBallast Water, Hull Fouling
Crustaceans-ShrimpPalaemon macrodactylus1995DefiniteEstablishedBallast Water
Crustaceans-AmphipodsParacorophium sp.2000DefiniteEstablishedBallast Water, Hull Fouling
TunicatesPerophora japonica2003DefiniteEstablishedHull Fouling
Mollusks-GastropodsPhiline auriformis2015DefiniteEstablishedBallast Water
Mollusks-GastropodsPhiline orientalis2015DefiniteEstablishedBallast Water
Annelids-PolychaetesPolydora cornuta1992DefiniteEstablishedBallast Water, Hull Fouling, Oyster Accidental
Annelids-PolychaetesPseudopolydora cf. kempi1992DefiniteEstablishedBallast Water, Hull Fouling, Oyster Accidental
Annelids-PolychaetesPseudopolydora paucibranchiata2000DefiniteEstablishedBallast Water, Oyster Accidental
Crustaceans-IsopodsPseudosphaeroma sp. A2011DefiniteEstablishedBallast Water, Hull Fouling
Mollusks-BivalvesRuditapes philippinarum1964DefiniteEstablishedOyster Accidental
AlgaeSargassum muticum1965DefiniteEstablishedBallast Water, Hull Fouling, Natural Dispersal, Oyster Accidental
BryozoansSchizoporella japonica1992DefiniteEstablishedHull Fouling, Oyster Accidental
BryozoansSchizoporella variabilis2015DefiniteEstablishedNone
Crustaceans-TanaidsSinelobus cf. stanfordi1989DefiniteEstablishedBallast Water, Hull Fouling, Oyster Accidental
Crustaceans-IsopodsSphaeroma quoianum1931DefiniteEstablishedBallast Water, Hull Fouling
Crustaceans-AmphipodsStenothoe valida2000DefiniteEstablishedBallast Water, Hull Fouling
Annelids-PolychaetesStreblospio benedicti1992DefiniteEstablishedBallast Water, Hull Fouling, Oyster Accidental
TunicatesStyela clava2000DefiniteEstablishedHull Fouling, Oyster Accidental
ProtozoansTrochammina hadai*1998DefiniteEstablishedBallast Water, Oyster Accidental
Mollusks-GastropodsUrosalpinx cinerea1941DefiniteEstablishedOyster Accidental
BryozoansWatersipora n. sp.2007DefiniteEstablishedHull Fouling
BryozoansWatersipora subatra*2000DefiniteEstablishedHull Fouling
* = Species summary still under review.