Infographics: Harmful algal blooms and wild-caught seafood in California

During certain types of harmful algal blooms, some wild-caught seafood like clams, mussels, scallops, lobsters, or crabs might make you sick if you don’t take appropriate precautions. Check out the infographics below, or the related Frequently Asked Questions Page, to learn more about the types of microscopic algae behind this danger, when to take precautions, and how to eat at-risk seafood safely when a bloom occurs.


Produced by California Sea Grant Extension Specialists Carolynn Culver, Carrie Pomeroy, Joe Tyburczy, Theresa Talley and UC Santa Barbara Student Interns Tatiana Raskin, Fernanda Pett, Junnichi Mijares, Danielle Punsal, Jae Shim and Sarah Amiri. 

Infographic designed by California Sea Grant Communications. Published January 2019.