The proliferations have become increasingly common in recent years and can have health and economic impacts in affected areas ...

Red tide is caused by a harmful algae bloom. It can bring respiratory problems and even fish kills in high concentrations.

Dead fish littered many Sarasota and Manatee County beaches into Presidents Day as red tide offshore of Southwest Florida ...

Red tide is caused by an microscopic algae called karenia brevis. Health alerts for red tide have been issued for several ...

In 20 Florida locations, concentrations were higher than 100,000. Health alerts for red tide have been issued in Lee, Collier counties. Toll-free hotline provides recording on red tide conditions.

The side effects of red tide were prominent on Longboat Key beaches on Feb. 17. Piles of dead fish accumulated near the tide ...

A FWC map from Tuesday afternoon showed varying degrees of red tide in the water off Manatee and Sarasota counties.

Red tide has waters off Southwest Florida in the "kill zone." Caused by the Karenia brevis organism, red tide is no stranger to Florida waters. They've been documented in the Gulf of Mexico ...

Another forecast map indicates that through Feb ... the Florida Fish and Wildlife Conservation Commission has warned red tide in the Florida Keys and Southwest Florida waters have hit high ...

At the water's edge, some beach goers took photos and others stopped to look at the dead fish, which could be seen as far as ...