Invasion
Invasion Description
Newport/RI/Rhode Island Sound (1842, De Kay 1844)
Geographic Extent
Newport/RI/Rhode Island Sound (1842, De Kay 1844); MA-RI/Mount Hope Bay (Curley et al. 1974); India Point, Providence/RI/Providence River (2000, MIT Sea Grant 2003); Warwick Cove Marina/RI/Warwick Cove, Narragansett Bay (2000, MIT Sea Grant 2003); Roger Williams University, Bristol/RI/Mount Hope Bay (2000, MIT Sea Grant 2003); Prudence Island/RI/Potters Cove (2000, MIT Sea Grant 2003); North Kingstown/RI/Allen Harbor (2000, MIT Sea Grant 2003); Wickford Marina/RI/Wickford Harbor, Narragansett Bay (2000, MIT Sea Grant 2003); Fort Getty, Jamestown/RI/Narragansett Bay (2000, MIT Sea Grant 2003)
Vectors
| Level | Vector |
|---|---|
| Alternate | Dry Ballast |
| Alternate | Hull Fouling |
| Alternate | Natural Dispersal |
Regional Impacts
| Ecological Impact | Predation | |
| In the Narragansett Bay region, gut content studies indicate that Mytilus edulis was the predominant food of adult C. maenas in the Pettaquamscutt River estuary, while juveniles fed mostly on small crustaceans (Ropes 1989). | ||