Swim cycle of a jellyfish (IMAGE) University of South Florida Caption Anatomical features of a jellyfish and the vortex arrangement over the course of a swim cycle for the moon jellyfish. Credit University of South Florida 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.