Taxonomic GroupNameYearInvasion StatusPopulation StatusVectors
BryozoansAmathia verticillata2001DefiniteEstablishedHull Fouling
Annelids-PolychaetesAmblyosyllis nigrolineata2015DefiniteEstablishedBallast Water, Habitat Restoration
Crustaceans-AmphipodsAmpelisca abdita2001DefiniteEstablishedBallast Water, Discarded Bait, Fisheries Accidental (not Oyster), Hull Fouling
Crustaceans-BarnaclesAmphibalanus improvisus2015DefiniteEstablishedBallast Water, Hull Fouling
Crustaceans-AmphipodsAmpithoe valida2000DefiniteEstablishedBallast Water, Discarded Bait, Hull Fouling
Crustaceans-AmphipodsAoroides secunda2015DefiniteEstablishedBallast Water, Hull Fouling
Crustaceans-AmphipodsAoroides secunda2000DefiniteEstablishedBallast Water, Hull Fouling
TunicatesAplidium accarense*2020DefiniteEstablishedNone
Mollusks-BivalvesArcuatula senhousia2001DefiniteEstablishedBallast Water, Fisheries Accidental (not Oyster), Hull Fouling
TunicatesAscidia zara1995DefiniteEstablishedHull Fouling
TunicatesBotrylloides diegensis2015DefiniteEstablishedHull Fouling
TunicatesBotrylloides giganteus2013DefiniteEstablishedHull Fouling
TunicatesBotrylloides violaceus1997DefiniteEstablishedHull Fouling
TunicatesBotryllus schlosseri1995DefiniteEstablishedHull Fouling
BryozoansBugula neritina2001DefiniteEstablishedHull Fouling
BryozoansBugulina cf. foliolata2004DefiniteEstablishedHull Fouling
BryozoansBugulina stolonifera2003DefiniteEstablishedHull Fouling
Crustaceans-AmphipodsCaprella mutica2000DefiniteEstablishedBallast Water, Hull Fouling
Crustaceans-AmphipodsCaprella scaura2001DefiniteEstablishedBallast Water, Hull Fouling
Crustaceans-AmphipodsCaprella simia2011DefiniteEstablishedHull Fouling
SpongesChalinula loosanoffi*2001DefiniteEstablishedHull Fouling
TunicatesCiona robusta1994DefiniteEstablishedHull Fouling
TunicatesCiona savignyi1994DefiniteEstablishedBallast Water, Hull Fouling
Mollusks-GastropodsCrepidula convexa2015DefiniteEstablishedHull Fouling
BryozoansCryptosula pallasiana2001DefiniteEstablishedHull Fouling
Cnidarians-AnthozoansDiadumene franciscana2000DefiniteEstablishedHull Fouling
TunicatesDidemnum vexillum2011DefiniteEstablishedHull Fouling
TunicatesDiplosoma listerianum1994DefiniteEstablishedHull Fouling
Crustaceans-AmphipodsGrandidierella japonica1998DefiniteEstablishedBallast Water, Hull Fouling
SpongesHalichondria bowerbanki*2001DefiniteEstablishedHull Fouling
SpongesHymeniacidon perlevis*2001DefiniteEstablishedHull Fouling
Crustaceans-AmphipodsIncisocalliope derzhavini2015DefiniteEstablishedNone
Crustaceans-AmphipodsJassa marmorata2000DefiniteEstablishedBallast Water, Hull Fouling
Crustaceans-AmphipodsLeucothoe nagataiNoneDefiniteEstablishedHull Fouling
Crustaceans-IsopodsLimnoria quadripunctata1949DefiniteEstablishedHull Fouling
Crustaceans-IsopodsLimnoria tripunctata1950DefiniteEstablishedHull Fouling
AlgaeLomentaria hakodatensis*2000DefiniteEstablishedBallast Water, Hull Fouling
Mollusks-BivalvesLyrodus pedicellatus1951DefiniteEstablishedHull Fouling
Annelids-PolychaetesMegasyllis nipponica2000DefiniteEstablishedBallast Water, Hull Fouling
TunicatesMicrocosmus squamiger1994DefiniteEstablishedHull Fouling
ProtozoansMirofolliculina limnoriae*1959DefiniteEstablishedHull Fouling
TunicatesMolgula ficus1997DefiniteEstablishedHull Fouling
TunicatesMolgula manhattensis2001DefiniteEstablishedHull Fouling
Crustaceans-AmphipodsMonocorophium acherusicum1962DefiniteEstablishedBallast Water, Hull Fouling
Crustaceans-AmphipodsMonocorophium insidiosum2001DefiniteEstablishedBallast Water, Hull Fouling
Annelids-PolychaetesMyrianida pachycera2000DefiniteEstablishedBallast Water, Hull Fouling
Mollusks-BivalvesMytilus galloprovincialis2000DefiniteEstablishedBallast Water, Hull Fouling
Annelids-PolychaetesNeodexiospira brasiliensis2011DefiniteEstablishedHull Fouling
Annelids-PolychaetesNicolea sp. A. Harris2000DefiniteEstablishedBallast Water, Hull Fouling
Crustaceans-CumaceansNippoleucon hinumensis2001DefiniteEstablishedBallast Water
Crustaceans-CopepodsOithona davisae2000DefiniteEstablishedBallast Water
AlgaePachymeniopsis lanceolata*2008DefiniteEstablishedBallast Water, Hull Fouling
Crustaceans-AmphipodsParadexamine sp. SD12000DefiniteEstablishedBallast Water, Hull Fouling
Crustaceans-IsopodsParanthura japonica2000DefiniteEstablishedBallast Water, Hull Fouling
Annelids-PolychaetesParasabella fullo2011DefiniteEstablishedHull Fouling
Mollusks-GastropodsPhiline auriformis1998DefiniteEstablishedBallast Water, Natural Dispersal
TunicatesPolyandrocarpa zorritensis2013DefiniteEstablishedHull Fouling
Annelids-PolychaetesPolydora cornuta2000DefiniteEstablishedBallast Water, Hull Fouling
Crustaceans-CopepodsPseudodiaptomus marinus2015DefiniteEstablishedNone
Annelids-PolychaetesPseudopolydora paucibranchiata2000DefiniteEstablishedBallast Water
Mollusks-BivalvesRuditapes philippinarum2000DefiniteEstablishedBallast Water, Fisheries Accidental (not Oyster), Fisheries Intentional
AlgaeSargassum horneri2011DefiniteEstablishedBallast Water, Hull Fouling
AlgaeSargassum muticum2011DefiniteEstablishedBallast Water, Fisheries Accidental (not Oyster), Hull Fouling, Natural Dispersal
BryozoansSchizoporella japonica2015DefiniteEstablishedHull Fouling
Crustaceans-AmphipodsStenothoe valida2015DefiniteEstablishedBallast Water, Hull Fouling
Crustaceans-AmphipodsStenothoe valida2000DefiniteEstablishedBallast Water, Hull Fouling, Natural Dispersal
TunicatesStyela clava1994DefiniteEstablishedHull Fouling
TunicatesStyela plicata1994DefiniteEstablishedHull Fouling
Mollusks-BivalvesTheora lubrica1998DefiniteEstablishedBallast Water
AlgaeUndaria pinnatifida2000DefiniteEstablishedBallast Water, Fisheries Accidental (not Oyster), Hull Fouling
BryozoansWatersipora arcuata2000DefiniteEstablishedHull Fouling
BryozoansWatersipora n. sp.2006DefiniteEstablishedHull Fouling
BryozoansWatersipora subtorquata2001DefiniteEstablishedHull Fouling
* = Species summary still under review.