Carcharias taurus, commonly known as the sand tiger shark, is a large, slow-moving shark found in coastal waters around the world. It is a popular subject of study for marine biologists and is also frequently featured in aquariums and shark exhibitions. Synonyms for Carcharias taurus include Odontaspis taurus, Eugomphodus taurus, and Desmodus taurus. Depending on the region it is found, the sand tiger shark may also be referred to as ragged-tooth shark, grey nurse shark, or spotted ragged-tooth shark. Despite its intimidating appearance, the sand tiger shark is not known to be a significant threat to humans.