Results 1 results found Longspined Sea Urchins between Rocks, Diadema antillarum, Caribbean Sea, Dominica Longspread Urchin (Diadema antillarum). British Virgin Islands. Long Spined Sea Urchin (Diadema antillarum), set amidst various colourful sponges and sea fans, Anse Chastenet, St Lucia, Caribbean.
