Taxonomic Group	Name	Year	Invasion Status	Population Status	Vectors
Fishes	Ameiurus catus	1949	Definite	Established	None
Nematodes	Anguillicola crassus*	2005	Definite	Established	Ballast Water, Fisheries Accidental (not Oyster), Natural Dispersal
Arthropoda-Insects	Anisolabis maritima	1911	Definite	Established	Cargo, Discarded Bait
Tunicates	Ascidiella aspersa	2000	Definite	Established	Hull Fouling
Protozoans	Bonamia ostreae*	1991	Definite	Established	Oyster Accidental
Algae	Bonnemaisonia hamifera	1957	Definite	Established	Ballast Water, Hull Fouling
Tunicates	Botrylloides violaceus	1981	Definite	Established	Hull Fouling
Bryozoans	Bugula neritina	2000	Definite	Established	Hull Fouling
Bryozoans	Bugulina simplex	1982	Definite	Established	None
Crustaceans-Amphipods	Caprella mutica	2000	Definite	Established	Ballast Water, Hull Fouling
Crustaceans-Crabs	Carcinus maenas	1872	Definite	Established	Dry Ballast, Hull Fouling, Natural Dispersal
Crustaceans-Amphipods	Chelura terebrans	1879	Definite	Established	Hull Fouling
Arthropoda-Insects	Chilacis typhae*	1993	Definite	Established	None
Crustaceans-Barnacles	Chthamalus fragilis	1963	Definite	Established	Ballast Water, Canal, Hull Fouling
Tunicates	Ciona intestinalis	2018	Definite	Established	None
Tunicates	Ciona intestinalis	1838	Definite	Established	Hull Fouling
Algae	Codium fragile ssp. Fragile	1964	Definite	Established	Ballast Water, Canal, Hull Fouling, Natural Dispersal, Oyster Accidental
Algae	Colpomenia peregrina*	1970	Definite	Established	Ballast Water, Hull Fouling
Platyhelminthes	Convoluta convoluta*	1995	Definite	Established	Ballast Water, Hull Fouling
Mollusks-Bivalves	Corbicula fluminea	2015	Definite	Established	None
Cnidarians-Hydrozoans	Cordylophora caspia	1912	Definite	Established	Hull Fouling
Crustaceans-Amphipods	Corophium volutator	1924	Definite	Established	Ballast Water, Dry Ballast
Platyhelminthes	Cryptocotyle lingua*	1956	Definite	Established	Dry Ballast, Fisheries Accidental (not Oyster), Fisheries Intentional, Hull Fouling
Fishes	Cyprinus carpio	1880	Definite	Established	None
Algae	Dasysiphonia japonica	2010	Definite	Established	Ballast Water, Hull Fouling, Natural Dispersal
Cnidarians-Anthozoans	Diadumene lineata	1899	Definite	Established	Hull Fouling
Tunicates	Didemnum vexillum	1982	Definite	Established	Hull Fouling
Tunicates	Diplosoma listerianum	1981	Definite	Established	Hull Fouling
Mollusks-Nudibranchs	Doris pseudoargus	2017	Definite	Established	None
Algae	Dumontia contorta*	1913	Definite	Established	Ballast Water, Hull Fouling
Mollusks-Gastropods	Duvaucelia plebeia	1983	Definite	Established	Ballast Water, Hull Fouling
Fishes	Esox lucius*	2011	Definite	Established	None
Algae	Fucus serratus*	1948	Definite	Established	Dry Ballast, Hull Fouling
Arthropoda-Insects	Galerucella calmariensis*	1998	Definite	Established	None
Arthropoda-Insects	Galerucella pusilla*	1998	Definite	Established	None
Cnidarians-Hydrozoans	Gonionemus vertens	1973	Definite	Established	Ballast Water, Hull Fouling, Oyster Accidental
Algae	Gracilaria vermiculophylla	2000	Definite	Established	Ballast Water, Hull Fouling, Natural Dispersal
Crustaceans-Amphipods	Grandidierella japonica	2018	Definite	Established	Ballast Water, Hull Fouling
Algae	Grateloupia turuturu	2007	Definite	Established	Ballast Water, Canal, Hull Fouling
Protozoans	Haplosporidium nelsoni*	1967	Definite	Established	Ballast Water, Hull Fouling, Oyster Accidental
Annelids-Polychaetes	Hediste diversicolor	1922	Definite	Established	Ballast Water, Dry Ballast
Crustaceans-Crabs	Hemigrapsus sanguineus	1994	Definite	Established	Ballast Water, Canal, Hull Fouling, Natural Dispersal
Crustaceans-Isopods	Ianiropsis serricaudis	2007	Definite	Established	Ballast Water, Hull Fouling
Annelids-Polychaetes	Janua heterostropha	2000	Definite	Established	Hull Fouling
Bryozoans	Juxtacribrilina mutabilis	2018	Definite	Established	Hull Fouling
Fishes	Lepomis macrochirus	None	Definite	Established	None
Algae	Leptosiphonia brodiei*	None	Definite	Established	Ballast Water, Hull Fouling
Crustaceans-Isopods	Ligia oceanica	1933	Definite	Established	Cargo, Dry Ballast
Mollusks-Gastropods	Littorina littorea	1861	Definite	Established	Dry Ballast, Hull Fouling, Natural Dispersal
Algae	Lomentaria clavellosa*	1963	Definite	Established	Ballast Water, Hull Fouling
Algae	Lomentaria orcadensis*	1873	Definite	Established	Hull Fouling
Algae	Melanosiphon intestinalis*	19	Definite	Established	Ballast Water, Hull Fouling
Bryozoans	Membranipora membranacea	1987	Definite	Established	Ballast Water, Hull Fouling
Crustaceans-Amphipods	Microdeutopus gryllotalpa	1879	Definite	Established	Hull Fouling
Fishes	Micropterus dolomieu	1868	Definite	Established	None
Fishes	Micropterus salmoides	1940	Definite	Established	None
Mollusks-Gastropods	Myosotella myosotis	1841	Definite	Established	Cargo, Dry Ballast
Mollusks-Bivalves	Mytilopsis leucophaeata	1995	Definite	Established	Ballast Water, Hull Fouling
Arthropoda-Insects	Nacerdes melanura*	None	Definite	Established	None
Algae	Neopyropia katadae*	2005	Definite	Established	Ballast Water, Fisheries Accidental (not Oyster), Hull Fouling
Algae	Neopyropia koreana*	2004	Definite	Established	Ballast Water, Hull Fouling
Algae	Neopyropia yezoensis*	1965	Definite	Established	Ballast Water, Fisheries Accidental (not Oyster), Hull Fouling
Crustaceans-Amphipods	Orchestia gammarellus	1864	Definite	Established	Dry Ballast
Mollusks-Bivalves	Ostrea edulis	1949	Definite	Established	Oyster Intentional
Crustaceans-Shrimp	Palaemon elegans	2010	Definite	Established	Ballast Water
Crustaceans-Shrimp	Palaemon macrodactylus	2012	Definite	Established	Ballast Water
Protozoans	Perkinsus marinus*	1991	Definite	Established	Oyster Accidental
Arthropoda-Insects	Petrobius brevistylis*	1956	Definite	Established	Cargo, Dry Ballast
Algae	Phycocalidia suborbiculata*	2017	Definite	Established	None
Fishes	Pimephales promelas	1999	Definite	Established	None
Annelids-Polychaetes	Polydora onagawaensis*	2018	Definite	Established	Oyster Accidental
Fishes	Pomoxis nigromaculatus	1983	Definite	Established	None
Crustaceans-Mysids	Praunus flexuosus	1960	Definite	Established	Ballast Water
Arthropoda-Insects	Pselactus spadix*	1936	Definite	Established	Cargo, Hull Fouling
Platyhelminthes	Pseudodactylogyrus anguillae*	1992	Definite	Established	Ballast Water, Fisheries Accidental (not Oyster)
Fishes	Salmo trutta*	1885	Definite	Established	Fisheries Intentional
Arthropoda-Insects	Sclerocona acutella*	2020	Definite	Established	None
Algae	Striaria attenuata*	1985	Definite	Established	Ballast Water, Hull Fouling
Tunicates	Styela canopus	1852	Definite	Established	Hull Fouling
Tunicates	Styela clava	1970	Definite	Established	Hull Fouling
Mollusks-Bivalves	Teredo navalis	1893	Definite	Established	Ballast Water, Hull Fouling, Natural Dispersal
Bryozoans	Tricellaria inopinata	2013	Definite	Established	Hull Fouling
Algae	Ulonema rhizophorum*	1969	Definite	Established	Hull Fouling
Algae	Ulva australis	1966	Definite	Established	Ballast Water, Hull Fouling

* = Species summary still under review.

na-et2 (Bay of Fundy to Cape Cod) Summary