Photo 8752968, (c) DISCO, some rights reserved (CC BY), uploaded by DISCO

Attribution © DISCO some rights reserved Uploaded by disco Source iNaturalist Associated observations Photos / Sounds What Petrospongium rugosum Observer disco Date June 26, 2017 06:00 AM PDT Place Harbor, Los Angeles, CA, USA (Google, OSM) Date Added June 30, 2017 05:48 PM PDT Description also two species of limpets 2 IDs Research Grade View Sizes small medium large original