Genus: Polykrikos | Dinoflagellate
Common West Coast species: P. schwartzii
Order: Gymnodiniales
Family: Polykrikaceae
Description: Unarmored. Medium to large pseudocolony of 4 to 16 zooids. Species with >2 zooids usually have one nucleus per 2 zooids. Chloroplasts absent, nematocysts present or absent, food vacuoles often present. Polykrikos often feeds on other dinoflagellates, such as Ceratium and Gonyaulax, and on diatoms.
Cell Size: Length 100-150um
Distribution: temperate to tropical, cosmopolitan
IFCB images
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