Transient Coexistence (IMAGE) Proceedings of the National Academy of Sciences Caption This photo shows transient coexistence of macroalgae and coral in Ehime Prefecture, southeast Japan. Credit PNAS Usage Restrictions None 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.