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Chaetoceros socialis by Gabriela Hannach, King County Environmental Lab Chaetoceros socialis by Gabriela Hannach, King County Environmental Lab
Photo credit: Gabriela Hannach, King County Environmental Lab

Phytoplankton of the month — January 2016

Chaetoceros socialis

Chaetoceros socialis are small diatoms joined in petite, bendable chains. They are 4-15µm wide with their hair-like setae coming from the inside corners of the cell. C. socialis are generally found in a spherical shape.

Chaetoceros socialis are cosmopolitan.

For more information on Chaetoceros see:

A Taxonomic Guide to Some Common Marine Phytoplankton, by Rita Horner (Biopress Ltd. 2002)

SoundToxins, a diverse partnership of Washington state shellfish and finfish growers, environmental learning centers, Native American tribes, and Puget Sound volunteers, is a monitoring program designed to provide early warning of harmful algal bloom events in order to minimize both human health risks and economic losses to Puget Sound fisheries.

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