Invasion
Invasion Description
1st Record: Probably present by 1875-1880, based on surrounding records.
Geographic Extent
1/2 Mile NE Of City, Thomaston/ME/St. George River (USNM 488283, US National Museum of Natural History 2007); Chamberlain/ME/Muscongus Bay (MCZ 316515, Museum of Comparative Zoology 2008)
Vectors
Level | Vector |
---|---|
Alternate | Natural Dispersal |
Alternate | Dry Ballast |
Alternate | Hull Fouling |