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Photo of <em>Protoperidinium steinii</em> by Lyndsey Claassen, WSG

Photo credit: Lyndsey Claassen, WSG

Phytoplankton of the month — February 2018

Protoperidinium steinii

Protoperidinium steinii are small to medium sized dinoflagellates, approximately 39-60μm long and 22-44μm wide. These pear-shaped cells have a horn on the epitheca, while its hypotheca has two spines. P. steinii are cosmopolitan.

For more information 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 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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