Stingrays

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Stingrays

• Made by Christopher Bough
• 7th Grader

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                 What are Stingrays

• Stingrays are fresh water fish that live in the
  shallow coastal waters of temperate seas. They
  stay mostly in the sand buried underneath, moving
  with the tides. It also stays camouflaged to
  protect it from sharks or larger stingrays. The
  stingrays have organs behind the eyes called
  spiracles which are used to help them  breath
  underwater.
•  

Rays are carnivores that feed on fish or smaller
prey   Stingrays come in many different
shapes and sizes to as small as your palm. They
can grow as large as six feet in length across
including tail which is 14 feet. They can live up
to 15 -25 years in the wild and weigh up to
790lbs. or more.
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      how they hunt and kill

• the stingrays tail or spine is made with serrated
  edges and a sharp point. The underside may
  produce venom which can kill a human. A stingrays
  venom has Enzyme 5- Nucleotide and
  Phosphodieterase and the 

• Stingrays are outfitted with eletrical sensors
  called ampullae of lorensini located by the
  stingrays mouth, it is used to sense the natural
  electrical charges of potential prey. Some rays
  have a jaw to crush things they commonly eat like
  clams, oysters, mussels, shrimp and crab.
  depending how large the ray is. Coral reefs are
  favorite feeding grounds

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                    Giant Stingrays

• Giant Stingrays are one of the largest freshwater
  but are hard to find because no one knows how
  many there are and where they stay. These ancient
  fish reach 5 meters in length and weigh up to
  1,320 pounds. They are known to be brown and gray
  in color. Giant stingrays are known to be in the
  river systems in Thailand, Borneo, New Guinea and
  Northern Australia.
• These large rays are able to pull boats upstream
  and underwater. when its threaten its tail is
  powerful enough to break a bone and pierce
  through skin like a arrow. Scientists are still
  trying to find out more about them.

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The largest Stingray I seen.

• At 200 pm a fishing boat near Hanan Sanea in
  China caught one of the largest Stingrays. It
  weighed 3,300 lbs. While trying to pull it in the
  boat for three hours it died unfortunately when
  they tied it to the boat and drove to shore they
  sold it for 1500.00.

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Resources

• http//en.wikipedia.org/wiki/Stingray
• http//animals.nationalgeographic.com/animals/fish
  /stingray.html
• http//animal.discovery.com/fish/stingray/
•  http//animals.howstuffworks.com/fish/stingray.ht
  ml
• http//www.sciencenewsforkids.org/articles/2003091
  7/Feature1.asp