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Toxic "Red Tide" Plagues Florida's Gulf Coast

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Red tides (Photo credit: The Online Fisheman)

Florida residents are no strangers to harmful algal blooms (HABs), or “red tides.” The natural phenomena, which occurs along the state’s Gulf Coast annually, is the result of excessive growth of microalgae Karenia Brevis. The single-celled organisms, which are only visible through a microscope, are dangerous because they release brevetoxin – a nerve toxin, that attacks the nervous systems of animals with often fatal results.