Invasion
Invasion Description
1st Record: WA/Willapa Bay (1946, Kincaid 1947, cited by Carlton 1979)
Geographic Extent
WA/Willapa Bay (1946, Kincaid 1947, cited by Carlton 1979); WA/Stackpole Slough, Willapa Bay (2000, Cohen et al. 2001); Omerara Point/WA/Willapa Bay (2000, Cohen et al. 2001); Goose Point/WA/Willapa Bay (2000, Cohen et al. 2001); Round Island/WA/Willapa Bay (2000, Cohen et al. 2001)
Vectors
| Level | Vector |
|---|---|
| Probable | Oyster Accidental |
Regional Impacts
| Economic Impact | Fisheries | |
| Ruditapes philippinarum (Manila Clam, Japanese Littleneck) is reared in shellfish farms and fished recreationally in Willapa Bay (Ruesink et al. 2006; Washington Department of Fish and Wildlife 2013). | ||