Red tide in Southwest Florida

A bloom of the Florida red tide organism, Karenia brevis, persisted in Southwest Florida the week ending Sept 21.

In Southwest Florida, K. brevis was observed at background to high concentrations in or offshore of Pinellas, Manatee and Sarasota counties, medium to high concentrations in or offshore of Charlotte County, background to high concentrations in or offshore of Lee County and background concentrations in or offshore of Collier County.

Reports of fish kills were received for multiple locations in and/or offshore of Pinellas, Manatee, Sarasota, Charlotte and Lee counties.

Respiratory irritation was reported over the past week in Pinellas, Manatee, Sarasota and Lee counties.

In Northwest Florida, K. brevis was observed at very low concentrations in Santa Rosa County, very low concentrations in Okaloosa County, very low concentrations in Walton County, background to medium concentrations in or offshore of Bay County, background concentrations in Gulf County, background concentrations in Franklin County and very low concentrations in Pasco County.

Reports of fish kills were received in and/or offshore of Walton and Bay counties.

For more information about red tide in Florida, go to myfwc.com/redtidestatus.

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