Taxonomic GroupNameYearInvasion StatusPopulation StatusVectors
AlgaeAgardhiella subulata*1984DefiniteEstablishedBallast Water, Fisheries Accidental (not Oyster), Hull Fouling, Oyster Accidental
BryozoansAmathia verticillata1848DefiniteEstablishedHull Fouling
Crustaceans-BarnaclesAmphibalanus eburneus1869DefiniteEstablishedBallast Water, Hull Fouling
Crustaceans-BarnaclesAmphibalanus improvisusNoneDefiniteEstablishedBallast Water, Hull Fouling
Crustaceans-AmphipodsAmpithoe valida2000DefiniteEstablishedBallast Water, Hull Fouling
NematodesAnguillicola crassus*1988DefiniteEstablishedFisheries Accidental (not Oyster)
AlgaeAntithamnion hubbsii*1988DefiniteEstablishedOyster Accidental
AlgaeAntithamnionella spirographidis*NoneDefiniteEstablishedNone
TunicatesAplidium accarense*2013DefiniteEstablishedNone
Mollusks-BivalvesArcuatula senhousia1978DefiniteEstablishedOyster Accidental
AlgaeAsparagopsis armata*1953DefiniteEstablishedBallast Water, Hull Fouling
Cnidarians-ScyphozoansAurelia coerulea2003DefiniteEstablishedBallast Water, Hull Fouling, Oyster Accidental
Crustaceans-BarnaclesAustrominius modestus1995DefiniteEstablishedBallast Water, Hull Fouling, Oyster Accidental
Crustaceans-BarnaclesBalanus trigonus1979DefiniteEstablishedBallast Water, Hull Fouling, Natural Dispersal
AlgaeBonnemaisonia hamifera1882DefiniteEstablishedBallast Water, Hull Fouling
TunicatesBotrylloides diegensis2016DefiniteEstablishedHull Fouling, Oyster Accidental
Annelids-PolychaetesBranchiomma bairdi2006DefiniteEstablishedHabitat Restoration
Annelids-PolychaetesBranchiomma bairdi2016DefiniteEstablishedHull Fouling
BryozoansBugulina stolonifera1958DefiniteEstablishedHull Fouling
Crustaceans-CrabsCallinectes sapidus1962DefiniteEstablishedBallast Water, Fisheries Intentional
Crustaceans-AmphipodsCaprella scaura1958DefiniteEstablishedBallast Water, Hull Fouling, Oyster Accidental
AlgaeCaulacanthus okamurae2004DefiniteEstablishedOyster Accidental
AlgaeCaulerpa taxifolia (invasive genotype)1984DefiniteEstablishedAquatic Plant Shipments
NemerteansCephalothrix cf. simula*2013DefiniteEstablishedBallast Water, Hull Fouling, Oyster Accidental
TunicatesCiona robusta1884DefiniteEstablishedHull Fouling
Cnidarians-HydrozoansClytia brevithecata2005DefiniteEstablishedNone
AlgaeCodium fragile ssp. Fragile1950DefiniteEstablishedHull Fouling
AlgaeColpomenia peregrina*1956DefiniteEstablishedBallast Water, Hull Fouling, Oyster Accidental
Cnidarians-HydrozoansCordylophora caspia2006DefiniteEstablishedAquatic Plant Shipments, Fisheries Accidental (not Oyster), Hull Fouling
Mollusks-GastropodsCrepidula fornicata1957DefiniteEstablishedOyster Accidental
AlgaeDasya sessilis*1984DefiniteEstablishedNone
AlgaeDasysiphonia japonica1998DefiniteEstablishedHull Fouling, Oyster Accidental
Cnidarians-AnthozoansDiadumene lineata1967DefiniteEstablishedHull Fouling, Oyster Accidental
TunicatesDidemnum vexillum2012DefiniteEstablishedFisheries Accidental (not Oyster), Hull Fouling, Oyster Accidental
Cnidarians-HydrozoansEctopleura crocea1871DefiniteEstablishedHull Fouling
Cnidarians-HydrozoansEudendrium carneum1985DefiniteEstablishedBallast Water, Hull Fouling
Cnidarians-AnthozoansExaiptasia pallida1973DefiniteEstablishedOyster Accidental
Annelids-PolychaetesFicopomatus enigmaticus1933DefiniteEstablishedBallast Water, Hull Fouling
FishesGambusia holbrooki*1926DefiniteEstablishedBiocontrol
AlgaeGrateloupia asiatica*1998DefiniteEstablishedOyster Accidental
AlgaeGrateloupia turuturu1982DefiniteEstablishedBallast Water, Hull Fouling, Oyster Accidental
Mollusks-GastropodsHaloa japonicaNoneDefiniteEstablishedHull Fouling, Oyster Accidental
Crustaceans-IsopodsIaniropsis serricaudis2015DefiniteEstablishedBallast Water, Hull Fouling
Crustaceans-AmphipodsLaticorophium baconi2018DefiniteEstablishedHull Fouling
AlgaeLaurencia caduciramulosa*2005DefiniteEstablishedBallast Water, Hull Fouling
Crustaceans-IsopodsLimnoria quadripunctata2003DefiniteEstablishedHull Fouling
AlgaeLomentaria hakodatensis*1979DefiniteEstablishedOyster Accidental
Cnidarians-HydrozoansMacrorhynchia philippina2018DefiniteEstablishedNone
Mollusks-BivalvesMagallana gigas1964DefiniteEstablishedOyster Intentional
Mollusks-BivalvesMercenaria mercenaria1965DefiniteEstablishedFisheries Intentional
TunicatesMicrocosmus squamiger1971DefiniteEstablishedHull Fouling
CtenophoresMnemiopsis leidyi*2004DefiniteEstablishedBallast Water
TunicatesMolgula manhattensis1969DefiniteEstablishedHull Fouling
Mollusks-BivalvesMya arenaria1990DefiniteEstablishedBallast Water, Fisheries Intentional, Oyster Accidental
Crustaceans-CopepodsMytilicola orientalis1979DefiniteEstablishedOyster Accidental
Mollusks-BivalvesMytilopsis leucophaeata2002DefiniteEstablishedBallast Water, Canal, Hull Fouling
Mollusks-GastropodsNaria turdus2005DefiniteEstablishedNone
AlgaeNeopyropia koreana*1987DefiniteEstablishedBallast Water, Hull Fouling, Oyster Accidental
Crustaceans-CopepodsOithona davisae2000DefiniteEstablishedBallast Water
AlgaePachymeniopsis lanceolata*1998DefiniteEstablishedOyster Accidental
Crustaceans-AmphipodsParacaprella pusilla2007DefiniteEstablishedNone
Crustaceans-IsopodsParacerceis sculpta1995DefiniteEstablishedBallast Water, Hull Fouling
Crustaceans-IsopodsParanthura japonica2010DefiniteEstablishedBallast Water, Hull Fouling, Oyster Accidental
Annelids-PolychaetesPileolaria berkeleyana1979DefiniteEstablishedHull Fouling
TunicatesPolyandrocarpa zorritensis1988DefiniteEstablishedHull Fouling
Mollusks-GastropodsPolycera hedgpethi2003DefiniteEstablishedBallast Water, Hull Fouling
Annelids-PolychaetesPolydora cornuta1990DefiniteEstablishedNone
Annelids-PolychaetesPolydora hopluraNoneDefiniteEstablishedNone
Mollusks-GastropodsPotamopyrgus antipodarum1924DefiniteEstablishedCargo, Fisheries Accidental (not Oyster)
PlatyhelminthesPseudodactylogyrus anguillae*2000DefiniteEstablishedFisheries Accidental (not Oyster)
Crustaceans-CopepodsPseudodiaptomus marinus2010DefiniteEstablishedBallast Water, Fisheries Accidental (not Oyster)
FishesPterois miles*2023DefiniteEstablishedNone
Mollusks-GastropodsRapana venosaNoneDefiniteEstablishedBallast Water, Hull Fouling, Natural Dispersal, Oyster Accidental
Crustaceans-CrabsRhithropanopeus harrisii1999DefiniteEstablishedBallast Water, Hull Fouling, Oyster Accidental
ProtozoansRhizodomus tagatzi*1994DefiniteEstablishedBallast Water, Oyster Accidental
Mollusks-BivalvesRuditapes philippinarum1980DefiniteEstablishedFisheries Intentional
AlgaeSargassum muticum1980DefiniteEstablishedOyster Accidental
Crustaceans-IsopodsSphaeroma walkeri1981DefiniteEstablishedBallast Water, Hull Fouling
Annelids-PolychaetesStreblospio benedicti2006DefiniteEstablishedBallast Water, Hull Fouling, Oyster Accidental
TunicatesStyela canopusNoneDefiniteEstablishedHull Fouling
TunicatesStyela clava2006DefiniteEstablishedHull Fouling, Oyster Accidental
TunicatesStyela plicataNoneDefiniteEstablishedHull Fouling
AlgaeSymphyocladia tanakae*1998DefiniteEstablishedOyster Accidental
BryozoansTricellaria inopinata2015DefiniteEstablishedHull Fouling
AlgaeUlva australis1994DefiniteEstablishedBallast Water, Hull Fouling, Oyster Accidental
AlgaeUndaria pinnatifida1971DefiniteEstablishedOyster Accidental
BryozoansVictorella pavida1956DefiniteEstablishedHull Fouling
BryozoansWatersipora arcuata2013DefiniteEstablishedHull Fouling
BryozoansWatersipora subatra*2019DefiniteEstablishedHull Fouling, Oyster Accidental
BryozoansWatersipora subtorquata1971DefiniteEstablishedFisheries Accidental (not Oyster), Hull Fouling, Oyster Accidental
* = Species summary still under review.