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Image of Ceratium fusus by Brian Bill, NOAA
Photo credit: Brian Bill, NOAA

Phytoplankton of the month — August 2015

Ceratium fusus

Ceratium fusus are dinoflagellates, approximately 200-300µm long and 15-30µm wide. These singular cells are fusiform in shape with one end of the cell slightly tapering and curving towards the left, while the other end slightly tapering and curving towards the right. Linear markings are found towards the middle of the cell.

Ceratium fusus are found in temperate and tropical waters.

For more information on Ceratium fusus 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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