Red tide Another cause of manatee deaths are red tides, a term used for the proliferation, or "blooms", of the microscopic marine algae Karenia brevis. This dinoflagellate produces brevetoxins that can have toxic effects on the central nervous system of animals.
red tide another cause of manatee deaths are red tides a term used for the proliferation or "blooms" of the microscopic marine algae karenia brevis this dinoflagellate produces brevetoxins that can have toxic effects on the central nervous system of animals