Photo 618479, (c) Kyle Jones, some rights reserved (CC BY-NC), uploaded by Kyle Jones

Attribution © Kyle Jones some rights reserved Uploaded by kylejones Source iNaturalist Associated observations Photos / Sounds What Slate Pencil Urchin (Eucidaris tribuloides) Observer kylejones Date December 28, 2013 07:51 PM AST Place Playa Sardinas II, Culebra, PR, US (Google, OSM) Date Added December 28, 2013 06:54 PM EST 7 IDs Research Grade View Sizes small medium large original