Photo 8005943, (c) ceph0761, some rights reserved (CC BY-NC), uploaded by ceph0761

Attribution © ceph0761 some rights reserved Uploaded by ceph0761 Source iNaturalist Associated observations Photos / Sounds What Atlantic Rock-boring Urchin (Echinometra lucunter) Observer ceph0761 Date May 19, 2017 11:36 AM CDT Place Walking down the beach just north of Playa del Carmen (Google, OSM) Date Added May 24, 2017 05:08 PM MDT 4 IDs Research Grade View Sizes small medium large original