Invasion
Invasion Description
1st Record: West Falmouth/MA/Buzzards Bay (1967, Carlton and Scanlon 1985)
Geographic Extent
West Falmouth/MA/Buzzards Bay (1967, Carlton and Scanlon 1985); Scraggy Neck/MA/Bourne (1968, Carlton and Scanlon 1985); Bourne/MA/Cape Cod Canal (1969, Carlton and Scanlon 1985); Tirpps Marina, Westport/MA/Westport River (2000, 2003, MIT Sea Grant 2003; 2010, Massachusetts Office of Coastal Zone Management 2013); Woods Hole Coast Guard Station/MA/Little Harbor, Vineyard Sound (2000, 2003, MIT Sea Grant 2003); Massachusetts Maritme Academy (2000, 2003, MIT Sea Grant 2003; 2010, Massachusetts Office of Coastal Zone Management 2013); Popes Island Marina, New Bedford (2010, Massachusetts Office of Coastal Zone Management 2013)
Vectors
| Level | Vector |
|---|---|
| Alternate | Hull Fouling |
| Alternate | Natural Dispersal |
| Alternate | Oyster Accidental |
| Alternate | Fisheries Accidental (not Oyster) |
Regional Impacts
| Ecological Impact | Food/Prey | |
| The Asian Shore Crab Hemigrapsus sanguineus preferred C. fragile and Ulva spp. to Chondrus crispus, Fucus spp., and Ascophyllum nodossum (Bourdeau and O'Connor 2003). | ||