Northern star coral in lab, microscopic (IMAGE) University of California - Davis Caption This microscopic image shows an active Northern star coral in a lab at Roger William University with its tentacles extended. Credit Alicia Schickle/Roger Williams University Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND 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.