Invasion
Invasion Description
1st Record: CA/Humboldt Bay (Quayle 1964, cited by Carlton 1979)
Geographic Extent
CA/Humboldt Bay (Quayle 1964, cited by Carlton 1979); Arcata/CA/Mad River Slough, Arcata Bay (2000, Boyd et al. 2002); Arcata/CA/Klopp Lake, Arcata Bay (2000, Boyd et al. 2002)
Vectors
| Level | Vector |
|---|---|
| Alternate | Oyster Accidental |
| Alternate | None |
Regional Impacts
| Economic Impact | Fisheries | |
| Ruditapes philippinarum (Manila Clam, Japanese Littleneck) is reared in shellfish farms in Humboldt Bay in small quantities (California Department of Health Services 2007). Recreational shellfishing for these clams is also popular (California Department of Fish and Game 2001). | ||