We want to hear from you! If you eat leopard shark, ling cod, California halibut, clams, or Dungeness crab, we hope you will help provide information for our mercury study. 

In 2012, statewide sampling found the highest mercury levels in a leopard shark from Humboldt Bay. In July 2016, Humboldt Baykeeper received a grant from the California Environmental Protection Agency to analyze fish caught by local fishermen to determine the magnitude of mercury exposure from eating locally caught fish. Target species include lingcod, California halibut, bat ray, leopard shark, surfperch, oysters, and several species of clams. This study is ongoing and final results are expected in 2018.

Please print, complete, and mail or email this questionnaire about how often you fish, which species you eat, and how you cook them:

Download the Angler Survey

Encuesta sobre el consumo de pescado en Humboldt Bay 


Humboldt Baykeeper is about to begin a California EPA-funded study of mercury in certain Humboldt fishes. Fred Evenson of the Ecological Rights Foundation and Econews host / director of Humboldt Baykeeper Jen Kalt discussed mercury in fish in Monterey Bay's Elkhorn Slough, where a fish advisory was recently issued to protect human health.