How do sharks hunt for food?


Quick Answer

Sharks hunt for their food by using what is known as the Lévy walk. The shark swims along a route based on a complex mathematical pattern, similar to a type of fractal. These routes increase the shark's chances of finding and catching a meal, even when food is scarce.

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Full Answer

Sharks, like dogs, have a keen sense of smell. Scientists once believed that almost 70 percent of a shark's brain was devoted strictly to smell. According to the ReefQuest Center for Shark Research, scientists now believe that the shark has a more complicated thought process when it comes to hunting.

In an article published in "Nature," a weekly digest of science, David Sims of the Marine Biological Association of the United Kingdom studied sharks at great length and discovered that sharks hunt their food using "tight bundles of random motions punctuated by longer leaps." This proves the theory that marine animals, specifically sharks, are not mindless eating machines and are much more calculating than people have given them credit for.

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