Weapons of Mass Evolution: The Cookie Cutter Shark

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 Cookie Cutter Shark


                          


The cookie cutter sharks are found in deep waters. Their scientific name is Isistius brasiliensis. They are known for leaving cookie-cutter bite marks in other animals. Adult male sharks can grow up to 16.5 inches long, and females grow a little larger, up to 22 inches long.




Cookie cutters live in warm, deep waters worldwide. They mostly live in temperate and tropical waters of the Atlantic and Pacific Ocean around the world.


   


Cookie Cutter sharks  are carnivores and they eat:
-sharks
-all types of fish
-seals
-whales
-sometimes humans


At night, cookie cutter sharks will go up to the surface around 90 ft deep to feed on animals. They use their lips as a suction cup on the animal they are attacking. Once they are hooked onto the animal, they sink their teeth into their body and twist all the way around, taking a big chunk of their body and eating it and this action is done very quickly.


Their bite does not always cause too much harm to the animal, when only one cookie cutter shark bites it. If there is a large group of sharks, and each one takes a bite of the animal, it could be fatal.

Here is a short video:

https://www.youtube.com/watch?v=syISlRJTaw4


Citations:

: "Cookiecutter Sharks, Isistius brasiliensis ~ MarineBio.org." MarineBio Conservation Society. Web. Accessed Sunday, November 02, 2014. <http://marinebio.org/species.asp?id=491>.


Lefevre, K. (n.d.). Cookiecutter Shark | Facts About Shark | Shark Breed Info. Retrieved November 2, 2014.