Tree of Life (IMAGE) Swansea University Caption Body size of sharks and rays mapped in their tree of life Credit Dr Catalina Pimiento, Juan L. Cantalapiedra, Kenshu Shimada, Daniel J. Field, Jeroen B. Smaers. 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.