Nematodes | Anguillicola crassus* | 2007 | Definite | Established | Ballast Water, Fisheries Accidental (not Oyster), Natural Dispersal |
Mollusks-Bivalves | Argopecten irradians | 2007 | Definite | Established | Fisheries Accidental (not Oyster), Fisheries Intentional |
Mollusks-Gastropods | Bithynia tentaculata | 1977 | Definite | Established | Dry Ballast, Natural Dispersal, Packing Material |
Algae | Bonnemaisonia hamifera | 1948 | Definite | Established | Hull Fouling |
Tunicates | Botrylloides violaceus | 2004 | Definite | Established | Fisheries Accidental (not Oyster), Hull Fouling |
Tunicates | Botryllus schlosseri | 1975 | Definite | Established | Fisheries Accidental (not Oyster), Hull Fouling |
Crustaceans-Amphipods | Caprella mutica | 1998 | Definite | Established | Ballast Water, Fisheries Accidental (not Oyster), Hull Fouling |
Crustaceans-Crabs | Carcinus maenas | 1994 | Definite | Established | Ballast Water, Fisheries Accidental (not Oyster), Hull Fouling, Natural Dispersal |
Tunicates | Ciona intestinalis | 1912 | Definite | Established | Ballast Water, Hull Fouling |
Algae | Codium fragile ssp. Fragile | 1996 | Definite | Established | Ballast Water, Fisheries Accidental (not Oyster), Hull Fouling |
Cnidarians-Hydrozoans | Cordylophora caspia | 1918 | Definite | Established | Fisheries Accidental (not Oyster), Hull Fouling, Oyster Accidental |
Platyhelminthes | Cryptocotyle lingua* | 2005 | Definite | Established | Dry Ballast, Fisheries Accidental (not Oyster), Fisheries Intentional, Natural Dispersal |
Platyhelminthes | Cyathocotyle bushiensis* | 1965 | Definite | Established | Dry Ballast, Natural Dispersal, Packing Material |
Fishes | Cyprinus carpio | 1910 | Definite | Established | Fisheries Accidental (not Oyster), Fisheries Intentional |
Tunicates | Diplosoma listerianum | 2008 | Definite | Established | Hull Fouling |
Mollusks-Bivalves | Dreissena bugensis | 1993 | Definite | Established | Ballast Water, Hull Fouling, Natural Dispersal |
Mollusks-Bivalves | Dreissena polymorpha | 1992 | Definite | Established | Ballast Water, Hull Fouling, Natural Dispersal |
Algae | Dumontia contorta* | 1957 | Definite | Established | Hull Fouling |
Crustaceans-Amphipods | Echinogammarus ischnus | 1999 | Definite | Established | Ballast Water, Natural Dispersal |
Algae | Fucus serratus* | 1869 | Definite | Established | Dry Ballast, Hull Fouling |
Algae | Furcellaria lumbricalis* | 1853 | Definite | Established | Hull Fouling |
Crustaceans-Amphipods | Gammarus tigrinus | 1956 | Definite | Established | Ballast Water, Canal |
Annelids-Polychaetes | Hediste diversicolor | 1963 | Definite | Established | Ballast Water, Dry Ballast |
Crustaceans-Mysids | Hemimysis anomala* | 2010 | Definite | Established | Ballast Water, Natural Dispersal |
Algae | Leptosiphonia brodiei* | 1977 | Definite | Established | Ballast Water, Hull Fouling |
Mollusks-Gastropods | Littorina littorea | 1840 | Definite | Established | Dry Ballast, Fisheries Intentional, Hull Fouling |
Bryozoans | Lophopodella carteri | 2012 | Definite | Established | Aquatic Plant Shipments, Ballast Water, Natural Dispersal |
Algae | Melanosiphon intestinalis* | 1972 | Definite | Established | Ballast Water, Hull Fouling |
Bryozoans | Membranipora membranacea | 2002 | Definite | Established | Ballast Water, Hull Fouling, Natural Dispersal |
Fishes | Neogobius melanostomus* | 1997 | Definite | Established | Ballast Water, Natural Dispersal |
Fishes | Oncorhynchus mykiss* | 1960 | Definite | Established | Fisheries Intentional |
Crustaceans-Amphipods | Orchestia gammarellus | 1961 | Definite | Established | None |
Crustaceans-Shrimp | Palaemon adspersus | 2011 | Definite | Established | Ballast Water |
Crustaceans-Cladocerans | Penilia avirostris | 2000 | Definite | Established | Ballast Water |
Mollusks-Bivalves | Pisidium amnicum | 1977 | Definite | Established | Ballast Water, Dry Ballast, Natural Dispersal, Packing Material |
Crustaceans-Mysids | Praunus flexuosus | None | Definite | Established | Ballast Water |
Annelids-Oligochaetes | Psammoryctides barbatus* | 1975 | Definite | Established | Aquatic Plant Shipments, Ballast Water, Dry Ballast |
Annelids-Oligochaetes | Ripistes parasita* | 2010 | Definite | Established | None |
Fishes | Salmo trutta* | 1890 | Definite | Established | Fisheries Intentional |
Bryozoans | Schizoporella japonica | 2022 | Definite | Established | Hull Fouling |
Platyhelminthes | Sphaeridiotrema pseudoglobulus* | 1965 | Definite | Established | Dry Ballast, Natural Dispersal, Packing Material |
Mollusks-Bivalves | Sphaerium corneum | 1977 | Definite | Established | Ballast Water, Dry Ballast, Packing Material |
Algae | Striaria attenuata* | 1985 | Definite | Established | Ballast Water, Hull Fouling |
Tunicates | Styela clava | 1998 | Definite | Established | Fisheries Accidental (not Oyster), Hull Fouling |
Mollusks-Bivalves | Teredo navalis | 1918 | Definite | Established | Ballast Water, Hull Fouling, Natural Dispersal |
Fishes | Tinca tinca* | 2010 | Definite | Established | Fisheries Accidental (not Oyster), Natural Dispersal |
Algae | Ulva australis | 2013 | Definite | Established | Ballast Water |
Algae | Ulva laetevirens* | 2013 | Definite | Established | Ballast Water, Hull Fouling |
Mollusks-Gastropods | Viviparus georgianus | 1953 | Definite | Established | Natural Dispersal, Pet Release |