Photo 12221009, (c) Karen L. Johnson, some rights reserved (CC BY-NC), uploaded by Karen L. Johnson

Attribution © Karen L. Johnson some rights reserved Uploaded by kljinsitka Source iNaturalist Associated observations Photos / Sounds 2 photos What California Boring Sponge (Cliona californiana) Observer kljinsitka Date December 4, 2017 06:48 PM AKST Place Sitka, AK, USA (Google, OSM) Date Added December 5, 2017 07:17 AM AKST Description Found on a Giant Rock Scallop. Thanks for the ID Aaron B. 3 IDs Research Grade View Sizes small medium large original