Description Indian ocean leather urchin Asthenosoma marisrubri observed off Marsa Alam, Egypt. Picture courtesy of Ronald Werson.JPG file - 893.15 kB - 2 048 x 1 536 pixelsadded on 2018-09-08599 views This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 4.0 License