Invasion

Invasion Description

1st record: Hog Island /VA/Atlantic Ocean (1924, USNM 58422, United States Museum of Natural History 2008)

Geographic Extent

Governor's Island, New York City/NY/New York Harbor (922/2017, i Naturalist https://www.inaturalist.org/observations/8034160); "New Jersey"/Atlantic Ocean (1930, USNM 64460, United States Museum of Natural History 2008); Atlantic City/NJ/Atlantic Ocean (Scott Godwin, personal communication); DE/"southern shore of Delaware Bay" (Godwin, personal communication 1997); North Point State Park (Baltimore County)/MD/Chesapeake Bay (Fofonoff, personal observations, seen in dry years); Sandy Point State Park/MD/Chesapeake Bay (Fofonoff, personal observations); Shady Side/MD/Chesapeake Bay (Fofonoff, personal observations); Piney Point/MD/Potomac River; (Virnstein and Boesch 1975, cited by Lippson et al. 1979); Crisfield/MD/Chesapeake Bay (1931, USNM 65777, United States Museum of Natural History 2008); Gloucester Point/VA/Chesapeake Bay (USNM 112850, , United States Museum of Natural History 2008); Norfolk, SW Corner Craney Island/VA/Hampton Roads (1940, USNM 86233. United States Museum of Natural History 2008); Norfolk/VA/Lafayette River (Ferguson and Jones 1949); Virginia Beach/VA.Lynnhaven Inlet (Ferguson and Jones 1949); Cape Charles VA/Chesapeake Bay-Atlantic Ocean (Richards 1931); Isle of Wight/MD/Assawoman Bay (2007, Fofonoff, personal observations); Oyster/VA/Mockhorn Bay (1934, USNM 86234, United States Museum of Natural History 2008); Hog Island /VA/Atlantic Ocean (1924, USNM 58422, United States Museum of Natural History 2008)