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Animals | Wild Animals | Sharks

Sharks come in all sizes, from the tiny spined pygmy to the 40-foot whale shark, but the great white is hands-down the most famous, thanks in no small part to a little movie called "Jaws."

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What's a shark's "yummy hum"?

If your ears picked up on a 40-hertz signal, you might wonder what the annoying sound was all about. But if you're a shark and you hear this "yummy hum," it might mean it's dinner time.


What if there were no sharks?

 What if there were no sharks?

We may be fascinated by sharks, but they can cause trouble for other species. Learn what Earth would be like if there were no sharks at HowStuffWorks. See more »

Can I survive a shark attack by gouging out its eyes?

 Can I survive a shark attack by gouging out its eyes?

They say you can survive a shark attack by gouging out its eyes. But is it that easy? Find out if you can survive a shark attack by gouging out its eyes. See more »

Can playing dead help save me from a shark attack?

 Can playing dead help save me from a shark attack?

We know playing dead can help you avoid a bear attack. But would it save you from a shark attack? Find out about playing dead to avoid a shark attack. See more »

Can wearing magnets really repel sharks?

 Can wearing magnets really repel sharks?

You may be able to repel sharks simply by wearing some magnets. But what's so abhorrent about a magnet to a shark? Find out why magnets repel sharks. See more »

Could ancient Aztecs have held the secret to fending off shark attacks?

 Could ancient Aztecs have held the secret to fending off shark attacks?

Fending off shark attacks is nothing new. The Aztecs believed peppers could repel sharks. Find out whether peppers worked fending off shark attacks. See more »

How strong is a shark's bite?

 How strong is a shark's bite?

A shark bite is pretty scary to think about, but knowing the force behind a shark bite may ease your worries. Learn how strong a shark bite is. See more »

What's a shark's "yummy hum"?

 What's a shark's "yummy hum"?

A yummy hum is a sound that dying fish emit -- it's like a dinner bell to a shark. Read about the theory of the yummy hum and how it beckons sharks. See more »

Does light attract sharks?

 Does light attract sharks?

Light attracting sharks is a theory that suggests sharks are drawn by bright, shiny, yellow and light-colored objects. Learn about light and sharks. See more »

Can flapping fish really attract sharks?

 Can flapping fish really attract sharks?

Flapping fish are like a bright yellow caution sign for danger: They usually mean sharks are near. Learn about flapping fish and sharks' whereabouts. See more »

Are dogs a shark's favorite meal?

 Are dogs a shark's favorite meal?

Sharks' favorite meal isn't human, despite our fears -- but some fishermen claim it's dog. Read about whether your dog is safe at sea. See more »