Photo 2 (IMAGE) Bigelow Laboratory for Ocean Sciences Caption A large school of blue tang (Acanthurus coeruleus) grazes on a coral reef. Well-grazed reefs are more hospitable to baby corals than reefs blanketed with thick algae, and a recent study by Bigelow Laboratory scientists uncovered the importance of fish diversity to this process. Credit José Alejandro Alvarez Usage Restrictions None 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.