Red Tide (IMAGE) University of South Florida Caption According to USF marine scientists, in years of the worst outbreaks, red tide has been responsible for millions of dollars in losses in the shellfish, finfish, recreation and tourism industries. Credit University of South Florida Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.