Photo 12469608, (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 2 photos What California Mussel (Mytilus californianus) Observer kestrel Date December 18, 2017 05:30 PM PST Place San Mateo County, CA, USA (Google, OSM) Date Added December 20, 2017 07:49 AM PST 2 IDs Research Grade View Sizes small medium large original