A type of microscopic algae called Karenia brevis has grown rapidly in Florida, leaving dead fish on the shore. Harmful “red tide” is wreaking smelly havoc on Florida’s Gulf Coast, canceling ...

Florida's coastal waters are currently clear of the red tide organism, Karenia brevis, with no observable presence in samples ...

Karenia brevis produce what are known as brevetoxins, which can kill marine life and birds. The red tide organism can also cause health problems in humans, such as skin irritation.

Florida environmental agencies are closely monitoring a minor detection of Karenia brevis, the organism responsible for red ...

Karenia brevis produces brevetoxins. For people with severe or chronic respiratory conditions, such as emphysema or asthma, the toxins can cause serious illness.

Karenia brevis produces potent neurotoxins or brevetoxins that can be harmful to the humans, pets, fish, and wildlife. Wind and waves can break open K. brevis cells and release the toxins into ...

The only exception was Madeira Beach, which had “medium” levels, or 100,000 red tide-causing Karenia brevis cells per liter. Fish kills and breathing issues are possible at that level.

Karenia brevis is known as the Florida Red Tide organism. In large numbers, it causes red tide along Florida’s coastline. Karenia brevis can be found in Gulf waters any time of the year, ...

A type of toxic algae, Karenia brevis, ... K. brevis is increasing in Florida’s waters, more abundant year-round now than in the 1950s, most likely because of higher nutrients.

This movement of waters could increase the development of Karenia brevis. It is possible that the intensity of the red tide may be partially attributed to Ian’s landfall on Sept. 28.

Over the next 36 hrs, @NOAACoastalSci is forecasting a HIGH risk of respiratory irritation from Karenia brevis (red tide) at some beaches in CHARLOTTE, MANATEE, PINELLAS and SARASOTA counties.