Regeneration of the jellyfish tentacle (IMAGE) University of Tokyo Caption At 72 hours after amputation, the regenerating tentacle of Cladonema is fully functional. 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.