Not to be confused with tiger shark or nurse shark.
Sand tiger shark
Conservation status
Critically Endangered (IUCN 3.1)[1]
Scientific classification
Domain:
Eukaryota
Kingdom:
Animalia
Phylum:
Chordata
Class:
Chondrichthyes
Subclass:
Elasmobranchii
Subdivision:
Selachimorpha
Order:
Lamniformes
Family:
Odontaspididae
Genus:
Carcharias
Species:
C. taurus
Binomial name
Carcharias taurus
Rafinesque, 1810
Range of the sand tiger shark
Synonyms
Carcharias tricuspidatus Day, 1878
The sand tiger shark (Carcharias taurus), gray nurse shark, spotted ragged-tooth shark or blue-nurse sand tiger, is a species of shark that inhabits subtropical and temperate waters worldwide. It inhabits the continental shelf, from sandy shorelines (hence the name sand tiger shark) and submerged reefs to a depth of around 191 m (627 ft).[2] They dwell in the waters of Japan, Australia, South Africa, and the east coasts of North and South America. The sand tiger shark also inhabited the Mediterranean, however it was last seen there in 2003 and is presumed extinct in the region. Despite its common names, it is not closely related to either the tiger shark (Galeocerdo cuvier) or the nurse shark (Ginglymostoma cirratum).
Despite its fearsome appearance and strong swimming ability, it is a relatively placid and slow-moving shark with no confirmed human fatalities. This species has a sharp, pointy head, and a bulky body. The sand tiger's length can reach 3.2 m (10.5 ft) but is normally 2.2–2.5 m in length.[3] They are grey with reddish-brown spots on their backs. Shivers (groups) have been observed to hunt large schools of fish. Their diet consists of bony fish, crustaceans, squid, skates and other sharks. Unlike other sharks, the sand tiger can gulp air from the surface, allowing it to be suspended in the water column with minimal effort. During pregnancy, the most developed embryo will feed on its siblings, a reproductive strategy known as intrauterine cannibalism i.e. "embryophagy" or, more colorfully, adelphophagy—literally "eating one's brother". The sand tiger is categorized as critically endangered on the International Union for Conservation of Nature Red List. It is the most widely kept large shark in public aquariums owing to its tolerance for captivity.
^Cite error: The named reference IUCN was invoked but never defined (see the help page).
^Cite error: The named reference Compagno1 was invoked but never defined (see the help page).
^"Carcharias taurus: Sandtiger Shark". Florida Museum of Natural History. 18 October 2018. Retrieved 6 May 2019.
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