Taxonomic GroupNameYearInvasion StatusPopulation StatusVectors
BryozoansAmathia verticillata1825DefiniteEstablishedHull Fouling
NematodesAnguillicola crassus*2001DefiniteEstablishedFisheries Accidental (not Oyster), Natural Dispersal
Crustaceans-BarnaclesBalanus trigonusNoneDefiniteEstablishedHull Fouling
AlgaeBonnemaisonia hamifera1982DefiniteEstablishedHull Fouling
Crustaceans-CrabsCallinectes sapidus2021DefiniteEstablishedBallast Water, Natural Dispersal
Crustaceans-AmphipodsCaprella scaura2011DefiniteEstablishedBallast Water, Hull Fouling
TunicatesCiona robustaNoneDefiniteEstablishedNone
AlgaeCodium fragile ssp. Fragile2000DefiniteEstablishedBallast Water, Hull Fouling, Oyster Accidental
AlgaeColpomenia peregrina*1996DefiniteEstablishedBallast Water, Habitat Restoration, Oyster Accidental
Cnidarians-HydrozoansEudendrium carneum2007DefiniteEstablishedBallast Water, Hull Fouling
AlgaeGrateloupia turuturu1988DefiniteEstablishedBallast Water, Hull Fouling, Oyster Intentional
Mollusks-GastropodsHaloa japonica2018DefiniteEstablishedOyster Accidental
Crustaceans-AmphipodsLaticorophium baconi2021DefiniteEstablishedBallast Water, Hull Fouling
TunicatesMicrocosmus squamiger1996DefiniteEstablishedHull Fouling
Crustaceans-IsopodsParacerceis sculpta2012DefiniteEstablishedBallast Water, Hull Fouling, Oyster Accidental
Crustaceans-IsopodsParadella dianae1992DefiniteEstablishedBallast Water, Hull Fouling
Crustaceans-IsopodsParanthura japonica2015DefiniteEstablishedHull Fouling
AlgaePhycocalidia suborbiculata*2010DefiniteEstablishedNone
TunicatesStyela canopusNoneDefiniteEstablishedHull Fouling
TunicatesStyela plicataNoneDefiniteEstablishedHull Fouling
AlgaeUlva australis2009DefiniteEstablishedBallast Water, Hull Fouling, Oyster Accidental
* = Species summary still under review.