An Underwater Feeding (image) University of Chicago Press Journals Share Print E-Mail Caption Butterflyfish graze on the polyps of a branching coral animal. Credit Cat Holloway Usage Restrictions Image may only be used with appropriate credit. Share Print E-Mail 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.