Caribbean Coral Reef (IMAGE) Bigelow Laboratory for Ocean Sciences Caption Fish swim over a Caribbean coral reef. A new study led by researchers from Bigelow Laboratory for Ocean Sciences reports that several important grazing fish each harbor a distinct microbial community within their guts, revealing a new perspective on reef ecology. 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.