Razor Clams
Northwest Zone

Shellfish and biotoxins

Razor clams and other bivalves are filter feeders that eat single celled plants called phytoplankton. Some species of phytoplankton manufacture biological toxins that, if ingested by bivalves, will be stored in their flesh. Though the biotoxins do not make the shellfish sick, they will make humans sick if a person consumes an affected animal.

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