Invasion
Invasion Description
Probably present by 1875-1880, based on surrounding records.
Geographic Extent
Pine Point/ME/Gulf of Maine (USNM 435419, US National Museum of Natural History 2007); York Beach/ME/Gulf of Maine (MCZ 132925, Museum of Comparative Zoology 2008)
Vectors
Level | Vector |
---|---|
Alternate | Natural Dispersal |
Alternate | Dry Ballast |
Alternate | Hull Fouling |