Invasion

Invasion Description

1st Record? Graduate School of Oceanography Pier, Narragansett/RI/West Passage, Narragansett Bay (1977, Lang and Ackenhusen-Johns 1981, planktonic larvae, Fofonoff, personal observations, adults and planktonic larvae); Probably introduced much earlier.

Geographic Extent

Colt State Park/Bristol/RI/Narragansett Bay (2000, MIT Sea Grant 2003); Graduate School of Oceanography Pier, Narragansett/RI/West Passage, Narragansett Bay (1977, Lang, William H.; Ackenhusen-Johns, 1981, planktonic larvae, Fofonoff, personal observations, adults and planktonic larvae); Colt State Park/Bristol/RI/Narragansett Bay (2000, MIT Sea Grant 2003); Kings Beach, Newport/RI/Rhode Island Sound (2010, MacIntyre et al. 2010; Massachusetts Office of Coastal Zone Management 2013)