Seagrass halos (IMAGE) University of Hawaii at Manoa Caption Halos surrounding seagrass ‘reefs’ within algal beds near Playa des Codolar, Ibiza Island, off the coast of Spain. Credit Copyright 2021 Maxar and Google Usage Restrictions Images may only be used with appropriate caption and credit information. 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.