Invasion

Invasion Description

1st Record: ME/Fort Point Cove,) in Penobscot River estuary (1 May 1967, 44 29' N; 68 50' W, Haefner 1969)

Geographic Extent

ME/Fort Point Cove, in Penobscot River estuary (1 May 1967, 44 29' N; 68 50' W, Haefner 1969); Journey's End Marina, Camden/ME/Penobscot Bay (2007, MIT Sea Grant 2008)