Quality lead image in Sea urchin shows two species: White sea urchin (top) and Reef urchin (bottom). Good quality for an underwater photo. FP on Commons.
Promoted File:Tripneustes ventricosus (West Indian Sea Egg-top) and Echinometra viridis (Reef Urchin - bottom).jpg --ArmbrustTheHomunculus 03:09, 21 November 2021 (UTC)[reply]