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NCSU Aquatic Botany Laboratory Pfiesteria Page


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The toxic dinoflagellate, Pfiesteria piscicida, has been implicated as the primary causative agent of major fish kills and fish disease events (finfish and shellfish; 103 to 109 finfish) in North Carolina estuaries, coastal areas, and aquaculture operations. Pfiesteria and closely related toxic species ("Pfiesteria-like complex") have also been confirmed in fish kill/disease areas and aquaculture facilities outside North Carolina from the mid-Atlantic to the Gulf Coast. Fish kills caused by P. piscicida usually occur in the warmest part of the year, and often precede low dissolved oxygen levels in the estuaries.
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