 Marine life around the island of the Grand Cayman includes tarpon, silversides ("Atheriniformes"), French angelfish ("Pomacanthus paru"), and giant barrel sponges.A number of cetaceans are found in offshore waters.These species include the goose-beaked whale ("Ziphius cavirostris"), Blainville's beaked whale ("Mesoplodon densirostris") and sperm whale ("Physeter macrocephalus").