Invasion
Invasion Description
1st record: Prince Edward Island/Brudenell River (Gulf of St.Lawrence) 46° 11' 00" N - 62° 33' 00" W (1998, Locke et al. 2007)
Geographic Extent
Prince Edward Island/Brudenell River (Gulf of St.Lawrence) 46° 11' 00" N - 62° 33' 00" W; (Fisheries and Oceans Canada 2002; Locke et al. 2007; Ramsay 2008); Prince Edward Island/Montague Bay (1998; Locke et al. 2007); Prince Edward Island/ Murray River (1999; Locke et al. 2007); Prince Edward Island/Vernon River-Orwell Bay, Northumberland Strait (2000, Locke et al. 2007); Prince Edward Island/Malpeque Bay (2002, Locke et al. 2007; Arsenault et al. 2009); Prince Edward Island/Cardigan Bay (2000, Locke et al. 2007)
Vectors
| Level | Vector |
|---|---|
| Alternate | Hull Fouling |
| Alternate | Fisheries Accidental (not Oyster) |
Regional Impacts
| Economic Impact | Fisheries | |
| Fouling of aquaculture cages (Arsenault et al. 2009). Competition with cultured mollusks for food and space. Reduces mussel harvests by ~50%, estimated impact 34-88 miliion $CAN per year (Coulatti et al. 2006). | ||
| Ecological Impact | Competition | |
| Competition with cultured mussels for food and space (Coulatti et al. 2006; Gittenberger 2009; Comeau et al. 2015). | ||