Redfin Butterflyfish (IMAGE) Wildlife Conservation Society Caption Redfin butterflyfish in their coral reef habitat. Fish are the key ingredients in a new recipe to diagnose and restore degraded coral reef ecosystems, according to scientists from the Australian Institute of Marine Science, the WCS, James Cook University, and other organizations in a new study in the journal Nature. Credit Tim McClanahan/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.