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

Slide 1 Slide 2 Slide 3 Slide 4 Scallops Slide 1 Slide 2 Slide 3 Slide 4 Education Slide 1 Slide 2 Slide 3 Slide 4 Citizen Science Slide 1 Slide 2 Slide 3 Slide 4 Shellfish Production

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.

Learn more...


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.

Learn more...

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.

Learn more...


Off-Bottom Oyster Production

Our project team is measuring effects of off-bottom oyster production on the local environment and neighboring shellfish operations in WA state.

Learn more...

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.

Learn more...

Contact Us

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


Report your mortality event (pdf)

Recent, large-scale summer mortality events have been occurring in our region. Reporting your mortality event(s) will help PSI and regional scientists target possible causes. Contact us for services that may be available.


4,000+ Students Engaged in 2019!

PSI Education 2019

Learn more about the K-12 science education programs PSI offers to local South Sound schools!


Comparative Habitat Study: Native Eelgrass and Oyster Culture in West Coast Estuaries

Eelgrass Final Report



Calling all Citizen Scientists!

Plankton 2019

Help PSI biologists collect water quality data, learn why phytoplankton rock and what species are blooming this summer! Join us at Port Plaza or Long Lake every Thursday afternoon 1-2pm, June 20th - August 29th. Check the 2019 schedule for details. See you on the water!