Sea Egg (Tripneustes depressus, french: Oursin blanc). (2.1M)
Here are the pictures of Sea Egg (Tripneustes depressus) with links to the pages on which they appear, links to the full sized picture, and the description of the picture with links to the entry in iNaturalist (inaturalist.org)
All pictures are © Dr. Günther Eichhorn, unless otherwise noted.
Ecuador Galapagos
Dr. Günther Eichhorn Travel Website
Soaring website