Taxonomic GroupNameYearInvasion StatusPopulation StatusVectors
BryozoansAmathia verticillata2008DefiniteEstablishedHull Fouling
Crustaceans-BarnaclesAmphibalanus amphitrite1889DefiniteEstablishedBallast Water, Hull Fouling
Crustaceans-BarnaclesAmphibalanus eburneus1998DefiniteEstablishedBallast Water, Hull Fouling
Arthropoda-InsectsAnisolabis maritima1979DefiniteEstablishedCargo, Dry Ballast
AlgaeAntithamnion hubbsii*2019DefiniteEstablishedNone
AlgaeAntithamnionella spirographidis*NoneDefiniteEstablishedNone
AlgaeAsparagopsis armata*1928DefiniteEstablishedBallast Water, Hull Fouling
Crustaceans-BarnaclesBalanus trigonus1887DefiniteEstablishedHull Fouling
AlgaeBonnemaisonia hamifera1989DefiniteEstablishedHull Fouling
TunicatesBotrylloides violaceus2009DefiniteEstablishedNone
TunicatesBotryllus schlosseri1971DefiniteEstablishedHull Fouling
BryozoansBugula neritina2001DefiniteEstablishedHull Fouling
BryozoansBugulina simplex1998DefiniteEstablishedHull Fouling
BryozoansBugulina stolonifera1998DefiniteEstablishedHull Fouling
Crustaceans-AmphipodsCaprella scaura2013DefiniteEstablishedHull Fouling
TunicatesClavelina lepadiformis1971DefiniteEstablishedHull Fouling
AlgaeCodium fragile ssp. Fragile1993DefiniteEstablishedBallast Water, Hull Fouling
Cnidarians-AnthozoansDiadumene lineata2011DefiniteEstablishedHull Fouling
TunicatesDiplosoma listerianum1971DefiniteEstablishedHull Fouling
Cnidarians-HydrozoansEctopleura crocea1989DefiniteEstablishedHull Fouling
Annelids-PolychaetesFicopomatus enigmaticus2016DefiniteEstablishedHabitat Restoration, Natural Dispersal, Unknown Vector
AlgaeGrateloupia turuturu2007DefiniteEstablishedBallast Water, Hull Fouling
Crustaceans-AmphipodsJassa marmorata1989DefiniteEstablishedBallast Water, Hull Fouling
Crustaceans-AmphipodsJassa marmorata2014DefiniteEstablishedHull Fouling
Crustaceans-IsopodsLigia oceanica1998DefiniteEstablishedCargo, Dry Ballast
Crustaceans-IsopodsLimnoria quadripunctata2011DefiniteEstablishedHull Fouling
TunicatesMicrocosmus squamiger2009DefiniteEstablishedHull Fouling
Mollusks-BivalvesOstrea edulis2013DefiniteEstablishedBiocontrol, Fisheries Intentional, Hull Fouling
Crustaceans-IsopodsParacerceis sculpta2014DefiniteEstablishedBallast Water, Hull Fouling
TunicatesStyela plicata2010DefiniteEstablishedHull Fouling
Arthropoda-InsectsTelmatogeton japonicus*NoneDefiniteEstablishedCargo, Hull Fouling
BryozoansTricellaria inopinata2015DefiniteEstablishedHull Fouling
Mollusks-GastropodsTruncatella subcylindrica1980DefiniteEstablishedCargo, Dry Ballast, Fisheries Accidental (not Oyster)
BryozoansWatersipora subtorquata1888DefiniteEstablishedHull Fouling
* = Species summary still under review.