Stoplight Parrotfish Caught in Gillnet (image) International Union for Conservation of Nature Caption Some countries are already taking action to protect coral grazing species. Barbuda is moving to ban all catches of parrotfish and grazing sea urchins while also planning to set aside one third of their coastal waters as marine reserves. Credit Ayana Johnson Usage Restrictions None 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.