SoundToxins logo



Phytoplankton of the Month

Margalefidinium spp. (Cochlodinium spp.) — August 2021

Photo of <em>Margalefidinium spp. (Cochlodinium spp.) from Pt. Jefferson August 2012.</em>

Photo from King County - Marine Life Photos. Taken by Gabriela Hannach.

⇒ Read about this Phytoplankton of the Month and others

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.

More about SoundToxins ⇒