n100 (Casco Bay) Summary

Taxonomic Group	Name	Year	Invasion Status	Population Status	Vectors
Arthropoda-Insects	Anisolabis maritima	1985	Definite	Established	Cargo, Dry Ballast
Tunicates	Ascidiella aspersa	2003	Definite	Established	Hull Fouling
Algae	Bonnemaisonia hamifera	1995	Definite	Established	Ballast Water, Hull Fouling
Tunicates	Botrylloides violaceus	1998	Definite	Established	Hull Fouling
Bryozoans	Bugula neritina	2003	Definite	Established	Hull Fouling
Bryozoans	Bugulina simplex	2010	Definite	Established	Hull Fouling
Crustaceans-Amphipods	Caprella mutica	2003	Definite	Established	Ballast Water, Hull Fouling
Crustaceans-Crabs	Carcinus maenas	1902	Definite	Established	Ballast Water, Dry Ballast, Hull Fouling, Natural Dispersal
Crustaceans-Amphipods	Chelura terebrans	1953	Definite	Established	Hull Fouling
Tunicates	Ciona intestinalis	1873	Definite	Established	Hull Fouling
Algae	Codium fragile ssp. Fragile	1994	Definite	Established	Ballast Water, Fisheries Accidental (not Oyster), Hull Fouling, Natural Dispersal
Algae	Colpomenia peregrina*	2010	Definite	Established	Ballast Water, Hull Fouling, Natural Dispersal
Crustaceans-Amphipods	Corophium volutator	None	Definite	Established	Ballast Water, Dry Ballast
Algae	Dasysiphonia japonica	2012	Definite	Established	Ballast Water, Hull Fouling, Natural Dispersal
Cnidarians-Anthozoans	Diadumene lineata	2003	Definite	Established	Hull Fouling
Tunicates	Didemnum vexillum	2010	Definite	Established	Hull Fouling
Tunicates	Diplosoma listerianum	2003	Definite	Established	Hull Fouling
Algae	Dumontia contorta*	1913	Definite	Established	Ballast Water, Hull Fouling
Crustaceans-Amphipods	Grandidierella japonica	2018	Definite	Established	Ballast Water, Hull Fouling
Annelids-Polychaetes	Hediste diversicolor	2012	Definite	Established	Ballast Water, Dry Ballast
Crustaceans-Crabs	Hemigrapsus sanguineus	2001	Definite	Established	Ballast Water, Hull Fouling, Natural Dispersal
Crustaceans-Isopods	Ianiropsis serricaudis	2007	Definite	Established	Ballast Water, Hull Fouling
Bryozoans	Juxtacribrilina mutabilis	2018	Definite	Established	Hull Fouling
Mollusks-Gastropods	Littorina littorea	1873	Definite	Established	Dry Ballast, Hull Fouling, Natural Dispersal
Algae	Lomentaria clavellosa*	1999	Definite	Established	Ballast Water, Hull Fouling
Algae	Lomentaria orcadensis*	1995	Definite	Established	Ballast Water, Hull Fouling
Algae	Melanosiphon intestinalis*	1995	Definite	Established	Ballast Water, Hull Fouling
Bryozoans	Membranipora membranacea	2004	Definite	Established	Ballast Water, Hull Fouling, Natural Dispersal
Crustaceans-Amphipods	Microdeutopus gryllotalpa	2013	Definite	Established	Ballast Water, Hull Fouling
Mollusks-Gastropods	Myosotella myosotis	1996	Definite	Established	Cargo, Dry Ballast
Algae	Neopyropia yezoensis*	2005	Definite	Established	Ballast Water, Hull Fouling
Crustaceans-Amphipods	Orchestia gammarellus	1973	Definite	Established	Dry Ballast
Mollusks-Bivalves	Ostrea edulis	1949	Definite	Established	Oyster Accidental
Crustaceans-Shrimp	Palaemon elegans	2013	Definite	Established	None
Arthropoda-Insects	Petrobius brevistylis*	1967	Definite	Established	Cargo, Dry Ballast
Annelids-Polychaetes	Polydora onagawaensis*	2018	Definite	Established	Oyster Accidental
Crustaceans-Mysids	Praunus flexuosus	2007	Definite	Established	Ballast Water, Natural Dispersal
Tunicates	Styela canopus	1873	Definite	Established	Hull Fouling
Tunicates	Styela clava	2000	Definite	Established	Hull Fouling
Mollusks-Bivalves	Teredo navalis	1937	Definite	Established	Ballast Water, Hull Fouling
Bryozoans	Tricellaria inopinata	2018	Definite	Established	None
Algae	Ulonema rhizophorum*	1995	Definite	Established	None

* = Species summary still under review.