Invasion

Invasion Description

1st Record: Woods Hole/MA/Woods Hole Harbor (1898, M. A. Bigelow, in Sumner et al. 1913)

Geographic Extent

Woods Hole/MA/Woods Hole Harbor (1898, M. A. Bigelow, in Sumner et al. 1913, Carlton et al. 2011); Penzance Point, Woods Hole/MA/Woods Hole Passage (1909, Sumner 1909); piers, Woods Hole/MA/Woods Hole Harbor (1909, Sumner 1909); piers, New Bedford/MA/New Bedford Harbor (1909, Sumner 1909); "everywhere on the shores of the region", Woods Hole/MA/Buzzards Bay-Vineyard Sound (Sumner et al. 1913); Massachusetts Maritime Academy, Bourne/MA/Buzzards Bay (2018, Commonwealth of Massachusetts, Executive Office of Energy and Environmental Affairs, Office of Coastal Zone
Management 2020); Buzzards Bay (Bourne)/MA/Buzzards Bay (1923, USNM 155507, US National Museum of Natural History 2008); Bourne Bridge, Buzzards Bay/MA/Cape Cod Canal (1983, Wethey 2002, very abundant); Sagamore Bridge, Sandwich/MA/Cape Cod Canal (1983, Wethey 2002, very rare)