Community Shift in Coastal Ecosystem (IMAGE) Hokkaido University Caption Underwater photos showing the shift from temperate communities dominated by macroalgae beds (kelp and fucoids) (left), to the transitory cohabitation with tropical corals (middle), to coral reefs (right). Credit Kumagai N.H., <em>et al</em>., <em>PNAS</em>, August 20, 2018 Usage Restrictions This image is copyrighted and can be used for reporting this press release if properly credited. 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.