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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?

Prorocentrum spp.

Potential Toxin Produced: no toxins reported for our region
Syndrome: none described; may discolor water a brownish color
Photo courtesy of Fernanda Mazzillo

Prorocentrum is a dinoflagellate genus containing several toxic and harmful species. Prorocentrum micans is one of the most common species in the genus Prorocentrum and is found in cold temperate to tropical waters. This species forms extensive red tides in many parts of the world, though it is usually considered harmless. It may excrete substances that inhibit diatom growth, but apparently these substances do not enter the food chain or affect organisms at higher trophic levels.

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