white shark


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white shark,

large, ferocious shark, Carcharodon carcharias. Also known as the great white shark and maneater, this shark can attack swimmers and boats without provocation, though it does not typically do so. Although not abundant anywhere, it is widely distributed in tropical and temperate oceans and is found in both inshore and deep waters; it is most common on the Atlantic coast of the United States. Like the other members of its family, the makomako
, heavy-bodied, fast-swimming shark, genus Isurus, highly prized as a game fish. Also known as the sharp-nosed mackerel shark, it is a member of the mackerel shark family, which also includes the white shark and the porbeagle.
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 and the porbeagle, it is a fast swimmer, with large pectoral fins and a nearly symmetrical tail fin. Despite its name, the white shark is usually whitish only on the underside, the back being some shade of gray. It has dark-tipped fins and a conspicuous black spot behind the pectorals. It reaches a length of over 20 ft (6 m) and a weight of over 7,000 lb (3,180 kg); one study has suggested that some individuals may live for 70 years or longer. The white shark feeds on large fish and other animals; a 100-lb (45-kg) sea lion was recovered from the stomach of one specimen. The shark's serrated, triangular teeth were used as arrowheads by Native Americans of the Florida coast. The white shark is classified in the phylum ChordataChordata
, phylum of animals having a notochord, or dorsal stiffening rod, as the chief internal skeletal support at some stage of their development. Most chordates are vertebrates (animals with backbones), but the phylum also includes some small marine invertebrate animals.
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, subphylum Vertebrata, class Chondrichthyes, order Selachii, family Isuridae.
References in periodicals archive ?
The 19-foot shark, believed to be one of the biggest white sharks ever spotted in Australian waters, was captured by film maker Dave Riggs on Saturday at Esperance's Fourth Beach.
Great white sharks are not exactly known as picky eaters, so it might seem obvious that these voracious predators would dine often and well on their migrations across the Pacific Ocean.
The video was shared by Atlantic White Shark Conservancy - a nonprofit that supports great white shark research, education, and conservation, in Cape Cod.
In 1998 he returned to CSULB and for the last ten years, he and his students have been studying the juvenile white sharks of Southern California.
The computer simulated great white shark swam 100 meters in 36.
It should be noted that Michael Phelps did not compete against a real white shark, but only against an animated version of the fearsome animal.
More chance of Elvis catching a great white shark off Brighton Pier
Examinations conducted on the carcasses have shown how killer whales, also known as orcas, dominate the marine food chain at the expense of great white sharks, whose ferocious reputation - thanks partly to the 1975 movie Jaws - belies their vulnerability to shark nets, fishing, poaching and pollution.
M2 EQUITYBITES-November 10, 2016-Aurora's Centaur offers aerial support to local white sharks off Nantucket
Strongly directional and differential swimming behavior of an adult female white shark, Carcharodon carcharias (Chondrichthyes: Lamnidae) from Guadalupe Island, Mexico
IT might look like a scene from 1970s hit movie Jaws but this breathtaking picture of a great white shark was taken by an American teacher who spent the summer cage-diving in South Africa.