CCS Salmon in the Classroom

Spinning Salmon

High school classrooms help contribute data towards ongoing research into the cause of thiamine deficiency in Pacific salmon


Project Duration



Solano, Sacramento, Glenn, Colusa, and Tehama Counties, California


Thiamine Deficiency Complex (TDC) was first documented in California’s salmon in 2020, when hatchery staff noticed offspring swimming in circles and dying at elevated rates. They traced the condition to a deficiency of thiamine, or vitamin B1, passed on from the returning adults to their offspring. Impacts to naturally spawning populations remain the greatest unknown and could be an unrecognized factor affecting harvest opportunities and impede salmon recovery.

The Aquarium in the Classroom program through the California Department of Fish and Wildlife provides students grades K-12 with salmon eggs to hatch and grow in their classrooms. The team at the Center for Community and Citizen Science, in collaboration with researchers at the UC Davis Center for Watershed Sciences, the National Oceanic and Atmospheric Administration (NOAA) and the Department of Fish and Wildlife are developing an Observation Protocol as part of the Aquariums In the Classroom Program to help gather observation data of salmon during these critical stages of the salmon life cycle.

As a part of our work, the data collected through the Aquarium in the Classroom Program will be sent to support the efforts of the broad coalition of scientists working on figuring out the TDC puzzle. The student data contributions to this project are not only utilizing a citizen science approach to gathering important data, but also developing further research protocols. 


Gear Up STEM Rural Valley Partnership, NOAA


Solano County Office of Education, UC Davis Center for Watershed Sciences, UC Davis School of Education, California Department of Fish & Wildlife, US Fish and Wildlife Service, Solano Land Trust, Fairfield-Suisun Sewer District


View teaching resources created for the project here.

Blog entry

An Update from Salmon in the Classroom

As scientists investigate the cause of  thiamine deficiency in California’s Central Valley salmon, high school classrooms in California’s Central Valley were given the unique opportunity to contribute data to this ongoing research.

Blog entry

Engaging College Opportunity Programs, Researchers and Students through Citizen Science: Reimagining Possibilities of STEM and CTE

In January of 2020, the UC Davis Center for Community and Citizen Science (CCCS) began a new research practice partnership exploring STEM opportunities and developing teacher professional development with the college opportunity program GEAR UP (Gaining Early Awareness and Readiness for Undergraduate Programs), serving students across Glenn, Colusa, and Tehama counties.

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