Invasion

Invasion Description

1st Record: Newburyport/MA/Gulf of Maine

Geographic Extent

Saint John/New Brunswick/Reversing Falls, St. Johns River (1950, USNM 261795, U.S. National Museum of Natural History 2013); Deere Isle/ME/Penobscot Bay (1963, YPM IZ 030480, Yale Peabody Museum 2015); East Harpswell/ME/Casco Bay (1976, Larsen 2012); Boothbay Harbor/ME/Boothbay Harbor (1976, Larsen 2012); Waldoboro/ME/Muscongus Bay (1976, Larsen 2012); Newburyport/MA/Gulf of Maine (Shoemaker 1947); Gloucester/MA/Gloucester Harbor (Massachusetts Bay) (MIT Sea Grant 2003); Salem/MA/Salem Harbor (Massachusetts Bay) MIT Sea Grant 2003; Boston/MA/Boston Harbor (Massachusetts Bay) (MIT Sea Grant 2003); Plymouth/MA/Cape Cod Bay (MIT Sea Grant 2003); Sandwich/MA/Cape Cod Bay (MIT Sea Grant 2003; Barnstable/MA/Barnstable Harbor (Cape Cod Bay) (MIT Sea Grant 2003