Invasion
Invasion Description
1st Record: Britanny/France/English Channel-Bay of Biscay (1974, Goulletquer et al. 2002);
Geographic Extent
Britanny/France/English Channel-Bay of Biscay (Goulletquer et al. 2002); Ile-Tudy, Britanny/France/Atlantic Ocean (Flassch and Leborgne 1992); Brittany/France/Marennes-Oleron Bay (1981, de Montaudouin and Sauriau 2000; Bertrand 2018); Jersey/Channel Islands (1986, Department of the Environment, States of Jersey 2017).
Vectors
| Level | Vector |
|---|---|
| Probable | Fisheries Intentional |
Regional Impacts
| Economic Impact | Fisheries | |
| In French waters, hatchery stocks were established in 1972, and a commercial fishery was established by 1984. By 1992, it was sustained by natural breeding, although adversely affected by Vibrio infections. The harvested clams were mostly exported to Spain (Flaasch and LeBorgne 1992). | ||