Add Yahoo as a preferred source to see more of our stories on Google. Whether you're a native Floridian or a seasoned visitor to the state's coasts, you know it only takes a visit from one unwanted ...

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.

It's officially spring break season in Florida! However, whether you're a native Floridian or a seasoned visitor to the state's coasts, you know it only takes a visit from one unwanted visitor to ruin ...

See the latest health advisories and water quality reports before you head to a Florida beach during spring break.

Florida's coastal communities are enjoying a welcome reprieve from the persistent threat of red tide, as the red tide organism, Karenia brevis, was not observed in any samples collected statewide over ...

As red tide counts fall in Southwest Florida, Florida Fish and Wildlife suspects the toxic algae killed a manatee and a dolphin earlier this month. The 9-foot male manatee carcass was collected Feb. 7 ...

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, ...

A new development from the University of South Florida may help control toxic algal blooms. It's one of a number of methods in a slow pipeline.

Every fall, coastal residents of Florida wait and wonder: Will the water stay clear, or will the red tide return? This harmful algal bloom, caused by the algae Karenia brevis, does not devastate our ...

Red tide blooms have been reported along Florida's Gulf Coast. Swimming in areas with red tide can cause skin irritation and burning eyes, especially for those with sensitive skin. People with severe ...