Invasion

Invasion Description

1st Record: Boston/MA/Boston Harbor (Couthouy 1838)

Geographic Extent

Cohasset/MA/Massachusetts Bay (1907, USNM 6902, U.S. National Museum of Natural History 2003); Bay Pointe Maina, Quincy/MA/Boston Harbor (2000, MIT Sea Grant 2003); Nahant/MA/Boston Harbor (Yund et al. 2015); Boston/MA/Boston Harbor (Couthouy 1838); Black Falcon Terminal, Boston/MA/Boston Harbor (2000, MIT Sea Grant 2003); MWRA Deer Island Sewage Plant, Deer Island, Boston/MA/Boston Harbor (2000, MIT Sea Grant 2003); Rowes Wharf Boston/MA/Boston Harbor (2000, MIT Sea Grant 2003; 2010, Massachusetts Office of Coastal Zone Management 2013); Hawthorne Cove Marina, Salem/MA/Massachusetts Bay (2000, MIT Sea Grant 2003; 2010, Massachusetts Office of Coastal Zone Management 2013); Winter Island, Salem/MA/Massachusetts Bay (2010, Massachusetts Office of Coastal Zone Management 2013; Clade A, Bock et al. 2012; Yund et al. 2015); Tucks Point Marina, Beverly/MA/Massachusetts Bay (2000, MIT Sea Grant 2003); Gloucester State Pier/MA/Massachusetts Bay (2000, MIT Sea Grant 2003; 2010, Massachusetts Office of Coastal Zone Management 2013); Gloucester/MA/Annisquam River (Massachusetts Bay) (1935, Dexter 1947)