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

While red tides and other algal blooms can occur worldwide, Karenia brevis is found almost exclusively in the Gulf of Mexico ...

The latest counts from the Florida Fish and Wildlife Conservation Commission, or FWC, show background to moderate levels along the Lee and Collier coastlines.

Many different kinds of microorganisms cause toxic blooms in fresh and saltwater around the world, but researchers ...

Already this year, the Florida Fish and Wildlife Conservation Commission has warned red tide in the Florida Keys and Southwest Florida waters have hit high levels. And that's not all. Toxins from ...

A singular scene from last year’s red tide event in the Gulf of Mexico sticks in the memory of phytoplankton ecologist Vincent Lovko. “I got to go up in a helicopter with a news crew,” Lovko says.

Red tide is caused by an microscopic algae called karenia brevis. Health alerts for red tide have been issued for several areas in Southwest Florida. Red tides can last for days, weeks or months.

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 ...

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 ...