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Washington State Shellfish Facts

  • Washington ranks #1 in the nation in aquaculture
  • Washington is the leading U.S. producer of farmed bivalves
  • Total revenue from farmed oysters, clams, mussels, and geoduck in Washington State was $150M on 2013
  • WSU Long Beach manages the Shellfish Pest Management website

Current IPM Priority Issues

A hand holding two burrowing shrimp.Burrowing shrimp (a pest species that stirs up sediment, causing shellfish to sink and die)

A waterway thick with Japanese eelgrass.Japanese eelgrass (an invasive aquatic weed)


Kim Patten

Kim Patten (, Extension Professor and Director of Pacific County Extension, leads WSU’s shellfish program.