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Shellfish Research and Information
Services for the U.S. West Coast

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Ecosystem Services

On the Farm

Improve Water Quality

Ecosystem Services Photo

Learn more about how shellfish can improve water quality and provide important habitat for other marine organisms.

On the Farm Photo

What does it take to be a shellfish farmer? Watch this video on the ins and outs of growing and harvesting shellfish in Puget Sound. Watch Video.

Improve Water Quality Photo

Learn 5 simple steps you can take to improve water quality in your area. Learn more...

Project HigHlights

OA Oysters

OA Vulnerability Assessment

Ocean Acidification is occurring with greater intensity in the Pacific Northwest than anywhere else in the world. OSU and PSI team up to identify the cost of and pathways to adaptation for regional shellfisheries and stakeholders.

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Rock Scallop Biotoxin Monitoring

Our team will assess rock scallop uptake, tissue concentration and detoxification rates of naturally occuring toxins that can cause Paralytic Shellfish Poisoning (PSP) in humans, an essential step in the process toward certification.

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Sea Cucumber

Growing Native Sea Cucumbers

PSI and partners are developing polyculture methods for the native, giant red sea cucumber, Parastichopus californicus as a nutrient recycler and promising species for U.S. export.

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Eelgrass and Shellfish Habitat Use

Habitat use by estuarine fish and epibenthic invertebrates are currently being assessed in four west coast estuaries by PSI and partners.

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Seed Health

Oyster Seed Research & Training

PSI and partners streamline seed rearing methods and seed health diagnostics for small and mid-size farms to grow their own.

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Contact Us

Visit our contact page for general inquiries, location information, and for individual staff email.


Bring A Fork - There's PIE!!!

Puget Sound Pie Series

Join PSI biologists at Lacey Timberland Library 3:00 - 4:30pm on Dec. 15th to learn about Ocean Plastic Pollution and its impacts on shellfish.


2,000+ Students Engaged in 2017!


Middle school students perform intertidal transects during the 4- week long Garden of the Salish Sea Curriculum. Learn more about the K-12 science education programs PSI offers to local schools!


Meet Sophie Kelmenson, PSI Intern:

Summer Research FellowSophie is a doctoral student in the Dept. of City and Regional Planning from UNC at Chapel Hill. She will be investigating economic impacts of the West Coast oyster industry. Learn more here...



PSI Releases Public Opinion Report

Public Opinion of Shellfish Farming A report on the public perception of shellfish aquaculture in select counties in Washington, Oregon and California

Public Opinion of Shellfish Farming

View the report (1.6Mb PDF)




2015 Priorities

West Coast Shellfish Research Needs & Priorities