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
Round goby Nord-Ostsee (Kiel) Canal. As of 2010, the westernmost site of round goby occurrence in Europe was the Lower River Scheldt, the tidal zone in the river mouth, and Albert Canal, Belgium. In 2011, the round goby began invading the fresh waters of France: the species appeared in the Rhine River (on the border between France and Germany), and in the French part of the Moselle River. In total, 52 parasite species are registered in the round goby in the native area. Most abundant parasites of the Black-Sea round goby are metacercariae of trematodes of Heterophyidae family, such as "Cryptocotyle concavum",