Species Regional Summary
Ocinebrellus inornatus
Puget Sound to Northern California ( NEP-IV )

Invasion History Vectors Impacts References

Invasion

Invasion Description

1st Record: Netarts/OR/Netarts Bay (1934, Squire 1972, cited by Carlton 1979)

Geographic Extent

WA/Willapa Bay (1939, Hanna 1966, cited by Carlton 1979); found in 13 of 20 sites sampled in Willapa Bay, Ruesink 2013f; Netarts/OR/Netarts Bay (1934, Squire 1972, cited by Carlton 1979); WA/Stackpole Slough, Willapa Bay (2000, Cohen et al. 2001); CA/Humboldt Bay (2007, Mello, personal communication; Eberle, personal communication,; Carlton, personal communication, establishment unknown)

Vectors

Level Vector
Probable Oyster Accidental

Regional Impacts

Economic ImpactFisheries
The Japanese Oyster Drill is a pest of cultured Pacific oysters, especially seed oysters in Willapa Bay (Buhle and Ruesink 2009)
 
Ecological ImpactPredation
Ocinebrellus inornata is a predator on introduced Pacific (Crassostrea gigas) and native Olympia Oysters (O. lurida) in Willapa Bay, preferring the former in feeding experiments (Buhle and Ruesink 2009).
 

References

Full Reference List for Ocinebrellus inornatus

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