Brain Coral (IMAGE) U.S. Geological Survey Caption Boulder brain corals, for example, were found in abundance under the mangroves and were healthy, while many of those in unshaded areas a short distance away were bleaching. Credit Caroline Rogers, USGS Usage Restrictions Please give photo credit 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.