Taxonomic GroupNameYearInvasion StatusPopulation StatusVectors
BryozoansAmathia verticillataNoneDefiniteEstablishedHull Fouling
Crustaceans-BarnaclesAmphibalanus amphitriteNoneDefiniteEstablishedBallast Water, Hull Fouling
Crustaceans-AmphipodsApocorophium acutum*NoneDefiniteEstablishedBallast Water, Hull Fouling
TunicatesAscidiella aspersa1952DefiniteEstablishedHull Fouling
TunicatesBotryllus schlosseri1985DefiniteEstablishedHull Fouling
BryozoansBugula neritina2001DefiniteEstablishedHull Fouling
BryozoansBugulina flabellataNoneDefiniteEstablishedHull Fouling
BryozoansBugulina stolonifera2002DefiniteEstablishedHull Fouling
TunicatesCiona robusta1928DefiniteEstablishedHull Fouling
TunicatesCiona savignyi2002DefiniteEstablishedBallast Water, Hull Fouling
AlgaeCodium fragile ssp. Fragile2008DefiniteEstablishedBallast Water, Hull Fouling
BryozoansCryptosula pallasiana1997DefiniteEstablishedHull Fouling
TunicatesDidemnum perlucidum2015DefiniteEstablishedNone
AlgaeMelanothamnus japonicus*2010DefiniteEstablishedBallast Water, Hull Fouling
Crustaceans-AmphipodsMonocorophium acherusicumNoneDefiniteEstablishedBallast Water, Hull Fouling
Mollusks-BivalvesOstrea edulis2000DefiniteEstablishedHull Fouling, Oyster Intentional
Crustaceans-IsopodsParacerceis sculpta2002DefiniteEstablishedBallast Water, Hull Fouling
Annelids-PolychaetesPolydora hoplura2005DefiniteEstablishedFisheries Accidental (not Oyster)
BryozoansSchizoporella unicornisNoneDefiniteEstablishedHull Fouling
AlgaeStictyosiphon soriferus*1979DefiniteEstablishedBallast Water, Hull Fouling
TunicatesStyela plicataNoneDefiniteEstablishedHull Fouling
Mollusks-BivalvesTeredo navalisNoneDefiniteEstablishedHull Fouling
BryozoansWatersipora arcuata1997DefiniteEstablishedHull Fouling
BryozoansWatersipora subtorquataNoneDefiniteEstablishedHull Fouling
* = Species summary still under review.