Invasion

Invasion Description

1st Record: Pope’s Island Marina, New Bedford/MA/New Bedford Harbor (10/2016, Massachusetts Office of Coastal Zone Management, personal communication 2016)

Geographic Extent

Pope’s Island Marina, New Bedford/MA/New Bedford Harbor (10/2016, Massachusetts Office of Coastal Zone Management, personal communication 2016); 'a large marina', New Bedford/MA/New Bedford Harbor (summer and fall 2017, probably re-introduced after winter die-off (James T. Carlton, personal communication 2017)