The emergent model jellyfish Cladonema (IMAGE) University of Tokyo Caption The jellyfish Cladonema pacificum exhibits branched tentacles that can robustly regenerate after amputation. Credit Sosuke Fujita, The University of Tokyo Usage Restrictions News organizations may use or redistribute this image, with proper attribution, as part of news coverage of this paper only. License Original 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.