Photo 210258, (c) Alison Young, some rights reserved (CC BY-NC), uploaded by Alison Young

Attribution © Alison Young some rights reserved Uploaded by kestrel Source iNaturalist Associated observations Photos / Sounds What Pacific Purple Sea Urchin (Strongylocentrotus purpuratus) Observer kestrel Date November 12, 2012 04:05 PM +00 Place San Mateo, California, United States (Google, OSM) Date Added November 26, 2012 08:30 AM PST Description CAS Pillar Point Site 4 3 IDs Research Grade View Sizes small medium large original