Coral Reef Fish (IMAGE) Wildlife Conservation Society Caption Coral reef fish on a remote island off the coast of northern Mozambique, Western Indian Ocean. Fishing is fundamentally altering the food chain in coral reefs and putting dual pressures on the valuable top-level predatory fish, according to new research by the Wildlife Conservation Society, Lancaster University, and other organizations. Credit Emily Darling / WCS Usage Restrictions One-time usage only. 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.