Figure 3 (IMAGE) Tohoku University Caption Coral reef ecosystem supported by symbiosis with microalgae. Credit Shinichiro Maruyama Usage Restrictions Reporters may use freely these materials in news coverage with appropriate credit information 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.