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The sand tiger shark (Carcharias taurus), grey/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]
Carcharias taurus Rafinesque, 1810 (sand tiger shark) [11] Genus Odontaspis Agassiz 1838. Odontaspis ferox A. Risso, 1810 (smalltooth sand tiger) Odontaspis noronhai Maul, 1955 (bigeye sand tiger) Subfamily Odontaspinae † Herman, 1975 [12] Genus Striatolamia † Glikman, 1964; Genus Carcharoides † Ameghino, 1901; Genus Parodontaspis ...
The maximum weight of the shark is 158.8 kg (350 lb). [1] Differentiating species of sharks is usually done by locating and measuring their fins. The tail is one third of the entire body size. The second dorsal fin and the anal fin of Carcharias are very large and about equal in size.
Bigeye sand tigers can reach a length of about 3.6 metres (12 ft) and smalltooth sand tigers of about 4.1 m. They are large-bodied sharks with long, conical snouts, broad-based dorsal and anal fins, and an asymmetrical caudal fin with a strong lower lobe. Their teeth are large, with prominent narrow cusps. [3]
A smalltooth sand tiger at a hydrothermal vent on the Kasuga-2 submarine volcano: Smaller individuals such as this tend to remain in deeper water. Compared to the grey nurse shark, the dentition of the smalltooth sand tiger is less robust and lacks specialized cutting and crushing teeth, suggesting that it tends to tackle smaller prey. [9]
The bigeye sand tiger (Odontaspis noronhai) is an extremely rare species of mackerel shark in the family Odontaspididae, with a possible worldwide distribution.A large, bulky species reaching at least 3.6 m (12 ft) in length, the bigeye sand tiger has a long bulbous snout, large orange eyes without nictitating membranes, and a capacious mouth with the narrow teeth prominently exposed.
The shark is believed to be at least 9 feet long. ... He believes the fish was a tiger or bull shark and estimates it was more than 9 feet long. Smith told McClatchy News the group hoisted it up ...
Natural predators of the sandbar shark include the tiger shark and, rarely, great white sharks. The sandbar shark itself preys on fish, rays, crabs, and molluscs. [7] They have also been found to primarily consume osteichthyes, or bony fish, octopi, european squid, and cuttlefish when in areas such as the Mediterranean or the Gulf of Gabés. [8]