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Disease and Pest Monitoring

Ongoing Monitoring and Management Activities

Bags of oyster with loading and unloading equipment
Bags of oyster cultch from Washington State being unloaded for inspection in Eureka.

staff surveying Black Abalone
Black abalone survey in Carmel

  • Surveillance, diagnosis, distribution, and characterization of disease agents in farmed and wild shellfish populations
  • Distribution of the agent of abalone withering syndrome and its effects on wild abalone populations
  • Certification of abalone culture facilities and public aquaria as "sabellid worm-free"
  • Verification that invasive sabellid worms have not become established in wild gastropod populations
  • Treatment of research and public aquarium effluent to prevent the release of pathogens and non-indigenous species
  • Health of bivalve larvae and seed imported from out-of-state hatcheries
  • Management of in-state shellfish transfers
  • Development of regulations to manage shellfish disease
  • Management of marine animal outplanting for research and species recovery programs
  • Health and recovery of federal ESA-listed white abalone and black abalone
  • Surveillance of California waterways for the presence of invasive freshwater (quagga and zebra) mussels


CDFW Shellfish Health Laboratory
c/o Bodega Marine Laboratory P.O. Box 247/2099 Westside Road, Bodega Bay, CA 94923
(707) 875-2067