Photo 3973616, (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 Horned Nudibranch (Hermissenda crassicornis) Observer kestrel Date June 10, 2016 10:12 AM MST Place Sonoma Coast State Beach, Sonoma, California, United States (Google, OSM) Date Added June 10, 2016 04:46 PM PDT 3 IDs Research Grade View Sizes small medium large original