Invasion

Invasion Description

1st Record: Port Harbor Marine, South Portland/ME/Portland Harbor (2003, MIT Sea Grant 2003); Portland Yacht Services/ME/Portland Harbor (2003, MIT Sea Grant 2003)

Geographic Extent

Brewer Freeport South Marine/ME/Casco Bay (2013, Wells et al. 2014; 2018, ,Massachusetts Office of Coastal Zone Management 2020);  Port Harbor Marine, South Portland/ME/Portland Harbor (2003, MIT Sea Grant 2003; 2009, McNaught and Norden 2011; 2018, Massachusetts Office of Coastal Zone Management 2013); Portland Yacht Services/ME/Portland Harbor (2003, MIT Sea Grant 2003); Spring Point Marina, South Portland/ME/Portland Harbor (2010, Massachusetts Office of Coastal Zone Management 2013)