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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 ...
Their teeth are long, narrow, and very sharp with smooth edges, with one and on occasion two smaller cusplets on either side. [2] Sand sharks have a large second dorsal fin . [ 1 ] The sand shark can grow up to 3.2 m (10 ft) long, and most adults can weigh around 200 kg (440 lb).
The smalltooth sand tiger or bumpytail ragged-tooth (Odontaspis ferox) is a species of mackerel shark in the family Odontaspididae, with a patchy but worldwide distribution in tropical and warm temperate waters. They usually inhabit deepwater rocky habitats, though they are occasionally encountered in shallow water, and have been known to ...
The grey nurse shark, Carcharias taurus, also called the ragged-tooth shark, is an elasmobranch and belongs to the odontaspididae (ragged-tooth) shark family. It can easily be recognized by its characteristic conical snout and under hung jaw. Both jaws are laden with sharp, long and pointed teeth.
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.
Aliwal Shoal has diverse marine life, including large predators, and is popular as a recreational scuba diving destination. The Shoal is known especially for its abundance of Grey nurse sharks (known locally as ragged tooth sharks or "raggies") between July and November when the sharks congregate there to mate. [1]
The English common name "crocodile shark" is derived from its Japanese name mizuwani (水鰐, literally "water crocodile"), which refers to its sharp teeth and habit of snapping vigorously when taken out of the water. [2] Other common names for this species include Japanese ragged-tooth shark, Kamohara's sand-shark, and water crocodile. [3]
The snaggletooth shark, or fossil shark (Hemipristis elongata), is a species of weasel shark in the family Hemigaleidae, and the only extant member of the genus Hemipristis. It is found in the Indo-West Pacific, including the Red Sea, from southeast Africa to the Philippines, north to China, and south to Australia, at depths from 1 to 130 meters.