Invasion
Invasion Description
1st Record: East Gloucester/MA/Massachusetts Bay (1933, cast skin), Dexter 1959)
Geographic Extent
Duxbury Town Wharf/MA/Cape Cod Bay (1934, Swan 1956); East Gloucester/MA/Massachusetts Bay (cast skin) (Dexter 1959); Gorton-Pew Wharf, East Gloucester /MA/Gloucester Harbor(1947, Dexter 1959); Dog Bar Breakwater, Gloucester/MA/Gloucester Harbor (USNM 102354, US National Museum of Natural History 2008); Rockport/MA/Gulf of Maine (1934, Swan 1956); Hampton Beach/NH/Gulf of Maine (8/16/2018, i-Naturalist https://www.inaturalist.org/observations/15572817); Isles Of Shoals, Star Island, Betty Moody's Cave/NH/Gulf of Maine (1992, USNM 251910, US National Museum of Natural History 2008); Newcastle/NH/Great Bay (1952, single specimen, Swan 1956); Isles Of Shoals, Appledore Island/ME/Gulf of Maine (1951, Swan 1956); Cape NeddickME/Gulf of Maine (1953, USNM 95727, US National Museum of Natural History 2008, Swan 1956);South Bristol/ME/Damariscotta River (6/16/2016, i-Naturalist, https://www.inaturalist.org/observations/16222338); Grand Manan Island/Gulf of Maine (7/4/2018, i-Naturalis1, https://www.inaturalist.org/observations/14064197); near Port George/Nova Scotia (8/6/2018, i-Naturalist, https://www.inaturalist.org/observations/15182665)
Vectors
Level | Vector |
---|---|
Alternate | Dry Ballast |
Alternate | Cargo |