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Photo of Lauderia annulata by Gabriela Hannach, King County Environmental LabPhoto of Lauderia annulata by Teri King, Washington Sea Grant

Photo credit:

Left image - Gabriela Hannach, King County Environmental Lab.
Right image - Teri King, Washington Sea Grant.

Phytoplankton of the month — July 2019

Lauderia annulata

Lauderia annulata are centric diatoms joined in short, straight chains. Cells are 24-75μm in diameter, with numerous, small discoid chloroplasts. Lauderia annulata are neritic and temperate to warm water.

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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