Invasion

Invasion Description

1st Established Records: Black Falcon Terminal, Boston/Boston Harbor (MIT Sea Grant 2003); Hawthorne Cove Marina, Salem/MA/Salem Harbor (MIT Sea Grant 2003); Brewer South Freeport Marina/ME/Casco Bay (2003, MIT Sea Grant 2003)

Historical Records: Nahant/MA/Boston Harbor (1854, Winston and Hayward 2012, not established); Provincetown/MA/Cape Cod Bay (1876, Winston and Hayward 2012, not established)

Geographic Extent

Brewer South Freeport Marina/ME/Casco Bay (2003, MIT Sea Grant 2003); Hawthorne Cove Marina, Salem/MA/Salem Harbor (MIT Sea Grant 2003; 2010, Massachusetts Office of Coastal Zone Management 2013); Black Falcon Terminal, Boston/Boston Harbor (MIT Sea Grant 2003);