Photo 833248, (c) Robin Gwen Agarwal, some rights reserved (CC BY-NC), uploaded by Robin Gwen Agarwal

Attribution © Robin Gwen Agarwal some rights reserved Uploaded by anudibranchmom Source iNaturalist Associated observations Photos / Sounds What Red Sea Urchin (Mesocentrotus franciscanus) Observer anudibranchmom Date May 2014 Place California, US (Google, OSM) Date Added May 5, 2014 05:52 AM PDT 3 IDs Research Grade View Sizes small medium large original