Reef halo around Hawaiian Islands (IMAGE) University of Hawaii at Manoa Caption Example of reef halos around Hawaiian Islands as observed from satellite images. Credit Elizabeth Madin Lab Usage Restrictions Image may only be used with appropriate caption and credit. License Original 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.