Invasion

Invasion Description

1st Record: Portland Yacht Services, Portland/ME/Casco Bay (2000, MIT Sea Grant 2003)

Geographic Extent

Portland Yacht Services, Portland/ME/Casco Bay (MIT Sea Grant 2003); Port Harbor Marine, South Portland/ME/ (2007, MIT Sea Grant 2008); Maine Yacht Center, Portland/ME/Casco Bay (2007, MIT Sea Grant 2008); Orrs Island/ME/Casco Bay (2009, McNaught and Norden 2009)