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Great white sharks are athletic hunters, leaping completely out of the water as they attack prey from below. They have six highly refined senses : smell, hearing, touch, taste, sight, and electromagnetism. These senses,...
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Reef sharks rarely get any love. These sharks, comprising several species,...
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Starting this Sunday, August 1st, the fins will be circling on a television...
Dr. Demian Chapman of the Institute for Ocean Conservation Science at New York’...

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What would happen if we let our fear of sharks lead people to kill them all? This is the question Joe Hanson asks in this video from PBS Digital Studios. Find out about how the removal of sharks affects the food web, ecosystem...
I want snack, so give me cookie! The cookie cutter shark ( Isistius...
For many years, shark fin soup has been a popular delicacy at weddings and...

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There are more than 500 species of sharks swimming in the world’s ocean. Yet when most people think of these cartilaginous...
Like other catsharks, the small-spotted catshark ( Scyliorhinus canicula ) is named for the elongated, cat-like shape of its eyes. But all sharks have cat-like eyes—in a different way. Like cats,...
Dr. Demian Chapman of the Institute for Ocean Conservation Science at New York’s Stony Brook University explains how DNA extraction from shark fins can identify the species of shark and where the...
A lemon shark pup swims through a shallow mangrove forest off the coast of Bimini Island in the Bahamas in this image captured by National Geographic photojournalist Brian Skerry. For nearly 30 years...
Sharks come in all sizes. The largest is the whale shark , which has been known to get as large as 18 meters (60 feet). The smallest fits in your hand. And the great white shark is somewhere in the...
The scalloped hammerhead shark is one of the five species CITES has protected.
Named for the radiant blue color on its back and sides, the blue shark ( Prionace glauca ) traverses the world’s temperate and tropical seas. Known for traveling great distances and being a swift...
CREDIT: © Mary Parrish/Smithsonian Institution 1. Respect Your Elders Sharks have a long and impressive lineage. Ancient sharks were cruising the ocean 400 million years ago—long before dinosaurs...
Great White Sharks breach to hunt -- with split-second timing they grab an unsuspecting seal or sea lion in one swift snatch. Follow the action in this slideshow .
As far back as I can remember, I have always been fascinated by sharks. My father introduced me to the ocean through books, documentaries and diving, and whenever we would see sharks on a dive in the...
Great White Sharks breach to hunt -- with split-second timing they grab an unsuspecting seal or sea lion in one swift snatch. Follow the action in this slideshow .
Two fossilized teeth from a megalodon ( Carcharodon megalodon ) dating back more than 20 million years. Their teeth can reach a diagonal length of seven inches! The ancestry of great white sharks has...
Known to many simply as “shark girl,” Madison Stewart is an inspiring young woman with a passion to protect the creatures most people fear: sharks. S he’s been diving with sharks since the age of...
Sharks have young in three different ways. After internal fertilization, some species lay a thick egg case that encloses the shark embryo (seen in the photo here). Most species are ovoviviparous,...
Great White Sharks breach to hunt -- with split-second timing they grab an unsuspecting seal or sea lion in one swift snatch. Follow the action in this slideshow .
The distinctive form of a winghead shark ( Eusphyra blochii ) is revealed by an X-ray image. The Winghead Shark, one of about ten species of hammerhead sharks, has its eyes set at the tips of its...
For the last 150 years, paleontologists have debated the origins of the great white shark . Many believe that they descended from the 50-foot megalodon, also known as the megatooth shark (...
Follow a journey with satellite tags placed on bull sharks and tarpon. Both of these large predatory fish are found in coastal in-shore ecosystems and the two species have similar diets. If given the...
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