Fauna of the United States Virgin Islands for instance parrotfish, hogfish, surgeon fish, butterflyfish, squirrelfish, damselfish, fairy basslet, hawkfish, spotted drum, porcupinefish, barracuda, blue chromis, snapper, Creole wrasse, hamlet, French grunt, filefish, goby, wahoo, Atlantic blue marlin, and hundreds of others. The U.S.V.I is home to 386 square miles of coral reefs, which is more than twice the archipelago’s total landmass and is a critical habitat for hundreds of tropical fish species and coral species. The coral reefs also provide habitat for mollusks, sea urchins, sea fans, sea anemones and sponges. Some of the coral species found here are the elkhorn coral, brain coral, pillar coral, staghorn
Sand goby rounded. In males, there is a conspicuous dark spot on the anterior dorsal fin and in both sexes there is a black patch on the caudal peduncle. The general colour is sandy brown with indistinct dark blotches and reticulations on the dorsal surface and dark striations on the pale fins. The colour of the male darkens during the breeding season and his fins become more coloured. The average size is about . The sand goby normally lives at greater depths than the common goby. It feeds on small invertebrates living on the seabed especially amphipods. It is well camouflaged and