Vibrant Corals (image) University of Chicago Press Journals Caption This is a healthy reef, replete with living corals and pink crustose coralline algae that promotes new coral settlement. Credit Randi Rotjan Usage Restrictions Image may only be used with appropriate credit. 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.