Invasion

Invasion Description

1st Record: Cape Porpoise/ME/Gulf of Maine (1998, Whitlatch and Osman 2000)

Geographic Extent

Cape Porpoise/ME/Gulf of Maine (1998, Whitlatch and Osman 2000); Cape Elizabeth/ME/Casco Bay (1998, Whitlatch and Osman 2000); Cape Elizabeth/ME/Dyers Cove, Casco Bay (2010, Massachusetts Office of Coastal Zone Management 2013); Port Harbor Marine, South Portland/ME/Portland Harbor (2003, MIT Sea Grant 2003; 2009, McNaught and Norden 2009; 2010, Spring Point Marina, South Portland/ME/Portland Harbor (2010, Massachusetts Office of Coastal Zone Management 2013)); Portland Yacht Services, Portland/ME/Portland Habor (2003, MIT Sea Grant 2003); Brewer South Freeport Marina/ME/Casco Bay (2003, MIT Sea Grant 2003; 2009, McNaught and Norden 2009; 2010, Brewer South Freeport Maine/ME/Casco Bay (2003, MIT Sea Grant 2003; 2010, Massachusetts Office of Coastal Zone Management 2013); Orrs Island/Casco Bay (2009, McNaught and Norden 2009)