Low levels of red tide organism persist around Pinellas
December 3, 2022 - According to the Florida Fish and Wildlife Conservation Commission’s (FWC) red tide update Friday, low concentrations of Karenia brevis, the organism that causes red tide, were again detected around Pinellas County. Meanwhile, harmful algal blooms are rampant across Sarasota County. The FWC reports respiratory irritation and fish kills related to red tide from Collier County north to Manatee County.