Photo 162114762, (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 September 17, 2018 03:58 PM EDT Place Riviera Beach, FL, USA (Google, OSM) Date Added October 7, 2021 03:23 PM EDT 2 IDs Research Grade View Sizes small medium large original