Only the Strongest Will Survive (IMAGE) ARC Centre of Excellence for Coral Reef Studies Caption Corals live close to their temperature maxima, and even just a degree of heating over the summer months can cause a stress response called 'coral bleaching.' Why some coral species tolerate heat anomalies better than others is subject of intense research. Central GBR, March 2017. Credit G. Torda Usage Restrictions Image is authorised for use with the referenced media release and must carry the credit provided. License Licensed 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.