Arthropoda-Insects | Aedes togoi* | 1980 | Definite | Established | Ballast Water, Cargo |
Crustaceans-Amphipods | Ampithoe valida | 2005 | Definite | Established | Ballast Water, Hull Fouling, Oyster Accidental |
Mollusks-Gastropods | Batillaria attramentaria | 1926 | Definite | Established | Oyster Accidental |
Tunicates | Botrylloides violaceus | 2007 | Definite | Established | Hull Fouling, Oyster Accidental |
Mollusks-Gastropods | Cecina manchurica | 1961 | Definite | Established | Oyster Accidental |
Platyhelminthes | Cercaria batillariae* | 2000 | Definite | Established | Oyster Accidental |
Cnidarians-Hydrozoans | Cladonema radiatum | 1988 | Definite | Established | Ballast Water, Hull Fouling, Oyster Accidental |
Annelids-Polychaetes | Clymenella torquata | 2006 | Definite | Established | Oyster Accidental |
Cnidarians-Hydrozoans | Cordylophora caspia | 1998 | Definite | Established | Hull Fouling, Oyster Accidental |
Mollusks-Gastropods | Crepidula convexa | 1970 | Definite | Established | Oyster Accidental |
Mollusks-Gastropods | Crepidula fornicata | 2005 | Definite | Established | Oyster Accidental |
Bryozoans | Cryptosula pallasiana | 2003 | Definite | Established | Hull Fouling, Oyster Accidental |
Cnidarians-Anthozoans | Diadumene lineata | 1998 | Definite | Established | Hull Fouling, Oyster Accidental |
Tunicates | Didemnum vexillum | 2007 | Definite | Established | Fisheries Accidental (not Oyster), Hull Fouling, Oyster Accidental |
Algae | Gelidium vagum* | 1996 | Definite | Established | Oyster Accidental |
Crustaceans-Copepods | Harpacticella paradoxa | 2000 | Definite | Established | Aquatic Plant Shipments, Ballast Water, Fisheries Accidental (not Oyster) |
Annelids-Polychaetes | Heteromastus filiformis species complex | 2011 | Definite | Established | Fisheries Accidental (not Oyster), Hull Fouling, Oyster Accidental |
Algae | Lomentaria hakodatensis* | 1968 | Definite | Established | Ballast Water, Hull Fouling, Oyster Accidental |
Mollusks-Bivalves | Magallana gigas | 1905 | Definite | Established | Oyster Intentional |
Mollusks-Bivalves | Mya arenaria | 1959 | Definite | Established | Fisheries Intentional |
Mollusks-Gastropods | Myosotella myosotis | 1961 | Definite | Established | Canal, Dry Ballast, Oyster Accidental |
Mollusks-Bivalves | Mytilus galloprovincialis | 1998 | Definite | Established | Ballast Water, Fisheries Accidental (not Oyster), Fisheries Intentional, Hull Fouling |
Mollusks-Gastropods | Nassarius fraterculus | 1960 | Definite | Established | Oyster Accidental |
Cnidarians-Anthozoans | Nematostella vectensis | 2005 | Definite | Established | Ballast Water, Hull Fouling, Oyster Accidental |
Mollusks-Bivalves | Nuttallia obscurata | 1996 | Definite | Established | Ballast Water, Natural Dispersal |
Mollusks-Gastropods | Ocinebrellus inornatus | 1924 | Definite | Established | Oyster Accidental |
Crustaceans-Copepods | Oithona davisae | 2012 | Definite | Established | Ballast Water |
Annelids-Polychaetes | Polydora cornuta | 2011 | Definite | Established | Ballast Water, Hull Fouling, Oyster Accidental |
Mollusks-Gastropods | Potamopyrgus antipodarum | 2018 | Definite | Established | Fisheries Accidental (not Oyster), Hull Fouling |
Annelids-Polychaetes | Pseudopolydora cf. kempi | 2011 | Definite | Established | Oyster Accidental |
Mollusks-Bivalves | Ruditapes philippinarum | 1924 | Definite | Established | Oyster Accidental |
Algae | Sargassum muticum | None | Definite | Established | Oyster Accidental |
Bryozoans | Schizoporella japonica | 1927 | Definite | Established | Hull Fouling, Oyster Accidental |
Annelids-Polychaetes | Streblospio benedicti | 2004 | Definite | Established | Ballast Water, Hull Fouling |
Protozoans | Trochammina hadai* | 1971 | Definite | Established | Ballast Water, Oyster Accidental, Unknown Vector |
Mollusks-Gastropods | Urosalpinx cinerea | 1937 | Definite | Established | Oyster Accidental |