Difference between revisions of "Great white shark"

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|kingdom= Animalia
 
|kingdom= Animalia
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The '''great white shark''' or '''white shark''' (''Carcharadon carcharias'') is a large carnivorous fish considered to be dangerous to humans. 
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The '''great white shark''' (''Carcharadon carcharias'') is a species of [[shark]] in the order [[Lamniformes]], and the only member of the genus ''Carcharodon''. Known variously around the world as "white pointer", "white death" (Australia), "blue pointer" (South Africa), and "man-eater" (world-wide), the white shark has brought extensive scientific and media attention to investigate its habits and behavior.
 
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==Entymology==
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The white shark's name is thought to have come from the pale appearence of exceptionally-large or old individuals; explorer and author Jacques Cousteau reported encountering "a lead white" shark about 25 feet long off the Azores in his book ''The Silent World''.
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The white shark is known variously as "white pointer" and "white death" (Australia), "blue pointer" (South Africa), "man-eater" (world-wide), and sometimes as "Jaws", after the famous book and film.  
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==Description==
 
==Description==
The white shark is the third-largest fish on record, exceeded in size by the plankton-feeding whale and basking sharksA large-bodied, robust animal with an average length between 13-15 feet.  Larger individuals have been caught from time to time, with 21 feet the largest length currently recorded.  A length of 37 feet has been claimed for a shark trapped in a [[herring]] [[weir]] in [[New Brunswick]], Canada in the 1930's.
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The white shark is the third-largest fish on record, exceeded in size only by the plankton-feeding [[whale shark|whale]] and [[basking shark]]sIt is a large-bodied, robust animal with an average length between 13-15 feet, and weigh between 1,500-2,450 pounds<ref>http://www.jawshark.com/great_white_recorded_sizes.html</ref>.  Larger individuals have been caught from time to time<ref>http://news.nationalgeographic.com/news/2011/05/110506-biggest-great-white-sharks-apache-caught-animals-science/</ref>, with 21 feet the largest length currently recorded for two individual, one caught in Cuba in the 1940's, and one caught off the Azores in 1978.
  
The white shark has a coloration pattern shared by the [[orca]] and [[penguin]]s in that it is generally a dark grey above, and a pale cream to white underside, thought by scientists to be a [[camouflage]] pattern.  Its large cresent tail provides quick bursts of speed when needed.
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The white shark has a coloration pattern shared by the [[orca]] and [[penguin]]s in that it is generally a dark grey above, and a pale cream to white underside, thought by scientists to be a [[camouflage]] pattern.  Its large crescent tail provides quick bursts of speed when needed.
  
 
== Habits ==
 
== Habits ==
 
 
Great white sharks are found worldwide in tropical and temperate waters. They can regulate their body temperature to some degree, so as to remain active in cold water. Feeding particularly on marine mammals such as [[fur seal]]s and [[sea lion]]s, great white sharks typically capture their prey by giving a single devastating bite, then retreating and circling until the victim has bled to death.
 
Great white sharks are found worldwide in tropical and temperate waters. They can regulate their body temperature to some degree, so as to remain active in cold water. Feeding particularly on marine mammals such as [[fur seal]]s and [[sea lion]]s, great white sharks typically capture their prey by giving a single devastating bite, then retreating and circling until the victim has bled to death.
  

Revision as of 21:18, 4 January 2012

Great White Shark
200px
Scientific classification
Kingdom Information
Domain Eukaryota
Kingdom Animalia
Subkingdom Bilateria
Phylum Information
Phylum Chordata
Sub-phylum Vertebrata
Infraphylum Gnathostomata
Class Information
Class Chondrichthyes
Sub-class Elasmobranchii
Infra-class Euselachii
Order Information
Order Lamniformes
Family Information
Family Lamnidae
Genus Information
Genus Carcharodon
Species Information
Species C. carcharias
Population statistics
Population Unknown
Conservation status Vulnerable[1]

The great white shark (Carcharadon carcharias) is a species of shark in the order Lamniformes, and the only member of the genus Carcharodon. Known variously around the world as "white pointer", "white death" (Australia), "blue pointer" (South Africa), and "man-eater" (world-wide), the white shark has brought extensive scientific and media attention to investigate its habits and behavior.

Description

The white shark is the third-largest fish on record, exceeded in size only by the plankton-feeding whale and basking sharks. It is a large-bodied, robust animal with an average length between 13-15 feet, and weigh between 1,500-2,450 pounds[2]. Larger individuals have been caught from time to time[3], with 21 feet the largest length currently recorded for two individual, one caught in Cuba in the 1940's, and one caught off the Azores in 1978.

The white shark has a coloration pattern shared by the orca and penguins in that it is generally a dark grey above, and a pale cream to white underside, thought by scientists to be a camouflage pattern. Its large crescent tail provides quick bursts of speed when needed.

Habits

Great white sharks are found worldwide in tropical and temperate waters. They can regulate their body temperature to some degree, so as to remain active in cold water. Feeding particularly on marine mammals such as fur seals and sea lions, great white sharks typically capture their prey by giving a single devastating bite, then retreating and circling until the victim has bled to death.

Attacks on humans

Most attacks on surfers and swimmers are believed to cases of mistaken identity, and they are generally not finished off, their flavor comparing poorly with that of a blubbery pinniped. The book and film Jaws is based on the inaccurate theory of a "rogue shark," a theory that is widely considered to be inaccurate.[4]

Great white sharks have recently become rare due to human persecution, and are now protected in South Africa and Australia.

References


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