Taxonomic GroupNameYearInvasion StatusPopulation StatusVectors
FishesAcanthogobius flavimanus1974Non-nativeEstablishedDiscarded Bait, Natural Dispersal
FishesAlosa sapidissima1880Non-nativeEstablishedNatural Dispersal
Crustaceans-AmphipodsAmpelisca abdita1998Non-nativeEstablishedDiscarded Bait, Fisheries Accidental (not Oyster), Hull Fouling, Oyster Accidental
Crustaceans-BarnaclesAmphibalanus improvisus1998Non-nativeEstablishedBallast Water, Hull Fouling, Oyster Accidental
Crustaceans-AmphipodsAmpithoe valida1998Non-nativeEstablishedHull Fouling, Oyster Accidental
TunicatesAscidia zara2001Non-nativeEstablishedHull Fouling
EntoproctsBarentsia benedeni1998Non-nativeEstablishedHull Fouling, Oyster Accidental
Mollusks-GastropodsBatillaria attramentaria1955Non-nativeEstablishedOyster Accidental
TunicatesBotrylloides violaceus1998Non-nativeEstablishedHull Fouling
TunicatesBotryllus schlosseri1984Non-nativeEstablishedHull Fouling
BryozoansBugula neritina1905Non-nativeEstablishedHull Fouling, Oyster Accidental
BryozoansBugulina cf. foliolata2003Non-nativeEstablishedHull Fouling
BryozoansBugulina stolonifera1998Non-nativeEstablishedHull Fouling
Crustaceans-AmphipodsCaprella mutica1978Non-nativeEstablishedBallast Water, Hull Fouling, Oyster Accidental
Crustaceans-AmphipodsCaprella scaura1978Non-nativeEstablishedBallast Water, Hull Fouling, Oyster Accidental
Crustaceans-CrabsCarcinus maenas1993Non-nativeEstablishedBallast Water, Discarded Bait, Hull Fouling, Natural Dispersal
AlgaeCaulacanthus okamurae2005Non-nativeEstablishedBallast Water, Hull Fouling
PlatyhelminthesCercaria batillariae*1994Non-nativeEstablishedOyster Accidental
SpongesChalinula loosanoffi*1970Non-nativeEstablishedHull Fouling, Oyster Accidental
TunicatesCiona robusta1974Non-nativeEstablishedHull Fouling, Oyster Accidental
TunicatesCiona savignyi2003Non-nativeEstablishedHull Fouling
Cnidarians-HydrozoansClimacocodon ikarii1970Non-nativeEstablishedBallast Water
AlgaeColpomenia claytoniae1999Non-nativeEstablishedHull Fouling
BryozoansConopeum tenuissimum1998Non-nativeEstablishedHull Fouling, Oyster Accidental
Cnidarians-HydrozoansCordylophora caspia1998Non-nativeEstablishedHull Fouling, Oyster Accidental
BryozoansCryptosula pallasiana1952Non-nativeEstablishedHull Fouling, Oyster Accidental
Cnidarians-AnthozoansDiadumene franciscana1998Non-nativeEstablishedHull Fouling
Cnidarians-AnthozoansDiadumene leucolena1998Non-nativeEstablishedHull Fouling, Oyster Intentional
Cnidarians-AnthozoansDiadumene lineata1938Non-nativeEstablishedHull Fouling, Oyster Accidental
TunicatesDidemnum vexillum1998Non-nativeEstablishedFisheries Accidental (not Oyster), Hull Fouling, Oyster Accidental
TunicatesDiplosoma listerianum1939Non-nativeEstablishedHull Fouling
FishesDorosoma petenense1972Non-nativeEstablishedFisheries Intentional
Cnidarians-HydrozoansEctopleura crocea1935Non-nativeEstablishedHull Fouling
Annelids-PolychaetesFicopomatus enigmaticus1994Non-nativeEstablishedHull Fouling
FishesGambusia affinis1973Non-nativeEstablishedBiocontrol
Mollusks-BivalvesGemma gemma1965Non-nativeEstablishedOyster Accidental
AlgaeGracilaria vermiculophylla1994Non-nativeEstablishedBallast Water, Hull Fouling, Oyster Accidental
AlgaeGracilariopsis chorda*2011Non-nativeEstablishedOyster Accidental
Crustaceans-AmphipodsGrandidierella japonica1998Non-nativeEstablishedBallast Water, Hull Fouling, Oyster Accidental
SpongesHalichondria bowerbanki*1998Non-nativeEstablishedHull Fouling, Oyster Intentional
Annelids-PolychaetesHeteromastus filiformis species complex1977Non-nativeEstablishedBallast Water, Hull Fouling, Oyster Accidental
SpongesHymeniacidon perlevis*1995Non-nativeEstablishedHull Fouling, Oyster Accidental
Crustaceans-IsopodsIais californica1998Non-nativeEstablishedHull Fouling
Crustaceans-IsopodsIaniropsis serricaudis2002Non-nativeEstablishedNone
Crustaceans-AmphipodsIncisocalliope derzhavini1985Non-nativeEstablishedBallast Water, Hull Fouling
Crustaceans-AmphipodsJassa marmorata1990Non-nativeEstablishedBallast Water, Hull Fouling, Oyster Accidental
ProtozoansLankesteria ascidiae*1980Non-nativeEstablishedHull Fouling
Crustaceans-IsopodsLimnoria quadripunctata1935Non-nativeEstablishedHull Fouling
Mollusks-BivalvesLyrodus pedicellatus1935Non-nativeEstablishedHull Fouling
Crustaceans-AmphipodsMelita nitida1975Non-nativeEstablishedBallast Water, Hull Fouling, Oyster Accidental
TunicatesMolgula manhattensis1998Non-nativeEstablishedHull Fouling, Oyster Accidental
Crustaceans-AmphipodsMonocorophium acherusicum1947Non-nativeEstablishedBallast Water, Hull Fouling, Oyster Intentional
Crustaceans-AmphipodsMonocorophium insidiosum1968Non-nativeEstablishedBallast Water, Hull Fouling, Oyster Accidental
Crustaceans-AmphipodsMonocorophium uenoi1966Non-nativeEstablishedBallast Water, Hull Fouling, Oyster Accidental
FishesMorone saxatilis1880Non-nativeEstablishedNatural Dispersal
Mollusks-GastropodsMyosotella myosotis1945Non-nativeEstablishedCargo, Dry Ballast, Oyster Accidental
Crustaceans-CopepodsMytilicola orientalis1974Non-nativeEstablishedHull Fouling, Oyster Accidental
Mollusks-BivalvesMytilus galloprovincialis1990Non-nativeEstablishedBallast Water, Hull Fouling
Annelids-PolychaetesNeodexiospira brasiliensis2011Non-nativeEstablishedNone
Mollusks-GastropodsOkenia plana1998Non-nativeEstablishedHull Fouling, Oyster Accidental
AlgaePachymeniopsis lanceolata*2008Non-nativeEstablishedHull Fouling, Oyster Accidental
Crustaceans-ShrimpPalaemon macrodactylus1981Non-nativeEstablishedBallast Water, Discarded Bait
Annelids-PolychaetesParasabella fullo2011Non-nativeEstablishedHull Fouling
Mollusks-GastropodsPhiline auriformis1996Non-nativeEstablishedBallast Water, Natural Dispersal
Annelids-PolychaetesPolydora cornuta1977Non-nativeEstablishedHull Fouling, Oyster Accidental
Annelids-PolychaetesPolydora hoplura2011Non-nativeEstablishedBallast Water, Hull Fouling, Oyster Accidental
Mollusks-GastropodsPotamopyrgus antipodarum2008Non-nativeEstablishedFisheries Accidental (not Oyster), Natural Dispersal
Annelids-PolychaetesPseudopolydora paucibranchiata1972Non-nativeEstablishedOyster Accidental
Mollusks-BivalvesRuditapes philippinarum1949Non-nativeEstablishedOyster Accidental
AlgaeSargassum muticum1977Non-nativeEstablishedBallast Water, Hull Fouling, Natural Dispersal, Oyster Accidental
BryozoansSchizoporella japonica1952Non-nativeEstablishedHull Fouling, Oyster Accidental
AlgaeSchizymenia dubyi*2006Non-nativeEstablishedHull Fouling, Oyster Accidental
Crustaceans-TanaidsSinelobus cf. stanfordi2001Non-nativeEstablishedHull Fouling, Oyster Accidental
Crustaceans-IsopodsSphaeroma quoianum1998Non-nativeEstablishedHull Fouling
Crustaceans-AmphipodsStenothoe valida2011Non-nativeEstablishedNone
Annelids-PolychaetesStreblospio benedicti1975Non-nativeEstablishedHull Fouling, Oyster Accidental
TunicatesStyela clava1935Non-nativeEstablishedHull Fouling, Oyster Accidental
Mollusks-GastropodsTenellia adspersa1977Non-nativeEstablishedBallast Water, Hull Fouling
Annelids-OligochaetesTubificoides brownae*2004Non-nativeEstablishedDry Ballast, Oyster Accidental
AlgaeUlva australis2011Non-nativeEstablishedHull Fouling, Oyster Accidental
AlgaeUndaria pinnatifida2001Non-nativeEstablishedBallast Water, Fisheries Accidental (not Oyster), Hull Fouling, Natural Dispersal
Crustaceans-ShrimpUpogebia major2020Non-nativeEstablishedDiscarded Bait, Fisheries Accidental (not Oyster), Natural Dispersal
BryozoansVictorella pavida2003Non-nativeEstablishedHull Fouling
BryozoansWatersipora n. sp.2006Non-nativeEstablishedHull Fouling
* = Species summary still under review.