Dead sea life continues to wash ashore on beaches in the area, according to the News-Press, which is documenting the deaths in stories and a photo gallery on its website.
The Florida Fish and Wildlife Conservation Commission is now examining samples of the algae from different locations along the west coast.
More than a dozen people have gone to the emergency room after exposure to the blue-green algae, also known as cyanobacteria.
According to the Florida Fish and Wildlife Conservation Commission, almost 300 sea turtles have died since a red tide algae bloom started late past year between Sarasota and Collier counties.
"Pictures are recent and within July, most from Lee County", he wrote. Respiratory irritation and murky clumps of red drift algae have been reported from Collier to Sarasota counties.
What does Mueller have? Manafort trial offers glimpse
Paul Manafort , shown here arriving for a court hearing in D.C. last month, is on trial in federal court in Alexandria . Gates, who worked alongside Manafort as a political consultant, was indicted along with Manafort in October 2017.
The news agency said about 160.9 kilometres of coastline had been affected so far.
Mote Marine Laboratory's phytoplankton ecology team, along with the Florida Wildlife Research Institute and Harmful Algal Bloom researchers, conducted a red tide survey along the Florida Gulf coast on Wednesday.
Sea turtles, manatees, fish and other animals are seeing a spike in their mortality rate during 2018, especially in Southwest Florida. The algae bloom - which gets its name because the microscopic algae often turn water red - has already lasted since November of past year, and could stretch into 2019, some scientists are saying.
Scott pushed for the Legislature to spend up to $100 million to help sway the U.S. Army Corps of Engineers to speed repairs to the Herbert Hoover Dike around Lake Okeechobee.
"It's certainly disgusting", said Amy Benton, who walked along the shoreline early Thursday with a scarf over her nose and mouth as protection.