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Photo of Actinoptychus by Lyndsey Claassen Photo of Actinoptychus by Sarka Martinez
Phytoplankton of the month — October 2017

Actinoptychus

Actinoptychus are centric diatoms, approximately 20-150μm in diameter. They are found solitary or in loose groups. Their valves are divided into six sections alternating elevated and depressed.

Actinoptychus are widely distributed.

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

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