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Harmful Algae & Red Tide Species Information

Map View About HAB News What Are HABs? HAB Species

What HAB species are found in California?

Phaeocystis spp.

Potential Toxin Produced: none; produces dimethylsulphide
Syndrome: none described; large blooms may produce foam
Photo courtesy of Dr. Peter Countway

Phaeocystis can be found as a colony of cells encased within a mucus layer or as single cells. The colonies can form large blooms and produce foam which can accumulate on beaches. Phaeocystis blooms produce dimethylsulphide (DMS), an aerosol, which may contribute to cloud formation and acid rain.

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