sea ‹urchin heron egg of island turtle tripneustes ventricosus in the coastal zone beach caldera, stones / venezuela

alone animal aquarium aquatic beach biology black blue caldera california channel clipping coastal creature creatures croatia danger day dive diving egg fish food fun globular heron island isolated marine nature needle ocean one path point purple rock salt scuba sea shadow shell single small stone stones sun symmetry thorn tripneustes turtle undersea underwater urchin venezuela ventricosus water zone