Parrotfish Predation (IMAGE) University of California - Santa Barbara Caption Janitors of the reef, parrotfish remove algae while causing no permanent damage to corals. Credit Corinne Fuchs 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.