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)
Vectors
Level | Vector |
---|---|
Alternate | Ballast Water |
Alternate | Hull Fouling |
Alternate | Natural Dispersal |