Results 1 results found Perfect example of spur and groove reef formation at Niau Atoll, Tuamotus, French Polynesia, South Pacific, Pacific Typical Spur and groove reef formation, Cayman Islands, Caribbean Barrel sponge (Xestospongia muta), large barrel sponge in spur and groove reef, Little Cayman Island, Cayman Islands, Caribbean Barrel sponge (Xestospongia muta), large barrel sponge in spur and groove reef, Little Cayman Island, Cayman Islands, Caribbean Barrel sponge (Xestospongia muta), large barrel sponge in spur and groove reef, Little Cayman Island, Cayman Islands, Caribbean Divers swimming over spur and groove reef, Grand Cayman Island, Cayman Islands, Caribbean
