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Photo of <em>Bacteriastrum delicatulum</em> by Gabriela Hannach, King County Environmental Lab

Photo credit: Gabriela Hannach, King County Environmental Lab

Phytoplankton of the month — January 2019

Bacteriastrum delicatulum

Bacteriastrum delicatulum are centric diatoms, 6-15μm in diameter and joined in chains. Setae of two adjacent cells are fused and branch further away from the cell. Bacteriastrum have numerous small, round chloroplasts. Bacteriastrum are temperate, and common to coastal waters.

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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