Join Topsail Hill Preserve State Park and Dr. Laura Tiu, a Florida Sea Grant Agent for UF/IFAS Extension Okaloosa/Walton Counties on September 20, 2019 from 10:00a.m. - 11:00a.m. Come learn about Lion Fish, microplastics, Nutria and other non-native species in the Florida Panhandle and the Gulf of Mexico.