Marimo in Lake Akan (IMAGE) Hokkaido University Caption Marimo in Lake Akan (Photo: Isamu Wakana) Credit Isamu Wakana Usage Restrictions This image is copyrighted but may be used to report this press release if credited as instructed. 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.