Invasion

Invasion Description

1st Records: Portland area/ME/Casco Bay (2001, USGS Nonindigenous Aquatic Species Program 2008); Orrs Island/ME/Casco Bay (2001, USGS Nonindigenous Aquatic Species Program 2008); Scarborough/ME/Gulf of Maine (2001, USGS Nonindigenous Aquatic Species Program 2008)

Geographic Extent

Cape Elizabeth/ME/Gulf of Maine (2015, Lord and Williams 2016); Portland area/ME/Casco Bay (2001, USGS Nonindigenous Aquatic Species Program 2008); Orrs Island/ME/Casco Bay (2001, USGS Nonindigenous Aquatic Species Program 2008); Scarborough/ME/Gulf of Maine (2001, USGS Nonindigenous Aquatic Species Program 2008); Freeport/ME/Casco Bay (2009, McNaught and Norden 2011, recruits on collectors)