Human Impacts and Coral Reef Conservation (IMAGE) ARC Centre of Excellence for Coral Reef Studies Caption A grey reef shark swims over a reef in a large protected area far from humans. Credit Nick Graham Usage Restrictions Reproduction of image is permitted with correct attribution to the author as listed. 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.