Social media has been inundated with images of dead animals that failed to escape the toxic bloom washing up on the Gulf of Mexico beaches across Florida.
The deputy contacted Florida Fish and Wildlife Conservation Commission and a marine biologist determined the manatee was paralyzed due to the red tide after the deputy described its symptoms.
The Florida Fish and Wildlife Conservation Commission is now examining samples of the algae from different locations along the west coast.
Siesta Key is known for its blue water and lively marine life. He said all of the photos were recent, and all taken in the month of July. Those who are looking for spots free of red tide can visit https://visitbeaches.org and myfwc.com/redtidestatus to see which beaches have been affected. It's toxic, too: Reports of red tide first were reported in November 2017, and at least 400 stranded and dead sea turtles have been pulled from Lee, Collier, Charlotte and Sarasota county waters since, according to the Naples News-Press.
Sea turtles, manatees, fish and other animals are seeing a spike in their mortality rate during 2018, especially in Southwest Florida.More news: Bray fire uncovers massive 'EIRE' sign from World War 2
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Florida's southwest waterways are now under assault by two different combatants: A red tide bloom from the Gulf of Mexico and a separate toxic algae bloom, which many believe is linked to discharge from Lake Okeechobee.
The Miami Herald reported the blue-green algae outbreak had grabbed national attention.
There's a water crisis in Southwest Florida that is wreaking havoc on wildlife.
She began treating poisoned birds as early as October.