Photo 173109104, (c) Pauline Walsh Jacobson, some rights reserved (CC BY), uploaded by Pauline Walsh Jacobson

Attribution © Pauline Walsh Jacobson some rights reserved Uploaded by coralreefdreams Source iNaturalist Associated observations Photos / Sounds What Slate Pencil Urchin (Eucidaris tribuloides) Observer coralreefdreams Date August 7, 2019 02:29 PM EDT Place Riviera Beach, FL, USA (Google, OSM) Date Added December 21, 2021 03:49 PM EST 2 IDs Research Grade View Sizes small medium large original