The Florida Department of Health in Lee County has issued more advisories for beaches and waterways along the coast, although recent counts show an outbreak that may be waning. Red tide has drifted ...

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 — soon to ...

The red tide organism, Karenia brevis, was detected in a total of five water samples collected along Florida’s coasts over the past week, though concentrations remain at very low or background levels, ...

SARASOTA, Fla. — If you're traveling to the Tampa Bay area this Thanksgiving, you may want to check the latest red tide conditions before you hit the beach. The harmful algal bloom is still very ...

ST. PETERSBURG, Fla. — A new study led by researchers at the University of South Florida sheds light on the environmental drivers of red tide blooms. "We're able to better look at the roles of viruses ...

Fish kills can start when levels reach 10,000 cells per liter. In 20 Florida locations, concentrations were higher than 100,000. Health alerts for red tide have been issued in Lee, Collier counties.

Red Tide is a harmful algal bloom caused by a naturally occurring alga (a plant-like microorganism) called Karenia brevis or K. brevis. When K. brevis appears in large quantities – typically in the ...

Red tide cell counts are well into the "death zone" in Lee County waters as toxins in the Gulf have turned normally turquoise ...

Red tide is a toxic algae bloom that can be deadly to marine life and harmful to humans. Blooms typically occur in the fall but can happen at any time and last from a few days to several years. The ...