<i>Tridacna maxima</i> (IMAGE) Hokkaido University Caption The whole Tridacna maxima valve. The shell was cut in two sections along the maximum growth axis. Credit Komagoe T. et al., <i>Journal of Geophysical Research: Biogeoscience</i>s, April 19, 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.