Image 1 (IMAGE) The University of Hong Kong Caption Coral bleaching caused by marine heatwaves threatens not only the corals but also the species which rely on them for habitat. Photo: Dr Sylvain Agostini, Shimoda Marine Research Center, University of Tsukuba. Credit The University of Hong Kong Usage Restrictions This work is licensed for non-commercial, non-exclusive, one-time usage with attribution to the copyright holder. 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.