Photo 857019, (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 Rough Keyhole Limpet (Diodora aspera) Observer anudibranchmom Date May 16, 2014 10:12 AM PDT Place Fitzgerald Marine Reserve, San Mateo, Golden Gate National Recreation Area, California, United States (Google, OSM) Date Added May 16, 2014 03:23 PM PDT 2 IDs Research Grade View Sizes small medium large original