A Boxfish off the Coast of Japan (IMAGE) University of Plymouth Caption A boxfish swimming above dense mats of diatoms in the high CO2 site along the Shikine volcanic gradient. Credit Nicolas Floc'h 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.