<i>Clytia hemisphaerica</i> Medusa (IMAGE) University of Vienna Caption This image shows muscles (red) and nuclei (blue) of a young Clytia hemisphaerica medusa in a lateral view. The medusa swims by contracting the striated muscles that run circumferentially inside the medusal bell. Credit Johanna Kraus Usage Restrictions Please note the Copyright 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.