Parasitic Isopod, <i>Leidya</i> (IMAGE) University of California - Santa Barbara Caption This parasitic isopod, Leidya, which is related to rolley pollies, is one of the parasites that UCSB researchers included in the new food webs. The isopod is almost one centimeter long, and was found infecting a crab. Credit Ryan Hechinger 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.