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In this episode of the Podcast of Life , students from Martha's Vineyard Regional High School in Massachusetts and La Salle Academy in Rhode Island question shark researcher Greg Skomal about a charismatic predator...
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Lying in water only a foot deep, I watched the shark meander lazily through the...
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Animals, on land and in the ocean, live in a 3-D world, and they depend on...
CREDIT: © Mary Parrish/Smithsonian Institution 1. Respect Your Elders Sharks...

LATEST CATCH

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 twelve. Here she is feeding a...
I want snack, so give me cookie! The cookie cutter shark ( Isistius...
Follow a journey with satellite tags placed on bull sharks and tarpon. Both...

DIVE DEEPER

There are more than 500 species of sharks swimming in the world’s ocean. Yet when most people think of these cartilaginous...
Several Caribbean reef sharks swim over a coral reef in the Bahamas in this image captured by National Geographic photojournalist Brian Skerry. For nearly 30 years, Skerry has been swimming with and...
During the late Cretaceous period, Kansas was covered by a vast sea. There, scientists have found fossils of Squalicorax sharks (also called crow sharks) that lived 70-80 million years ago. They were...
Shark nets are trapping and killing dozens of sharks off the coast of South Africa. More about the great white shark can be found in our Great White Shark featured story .
Sharks are much older than dinosaurs. Their ancestry dates back more than 400 million years, and they are one of evolution’s greatest success stories. These animals are uniquely adapted to their...
Sharks have a long and impressive lineage. Ancient sharks were cruising the ocean 400 million year ago- long before dinosaurs roamed on land. Relatives of the great white like the giant megatooth...
Sharks are one of nature’s most beautiful—and misunderstood—creatures. When most people think of sharks, they think of unexpecting swimmers being attacked and eaten by a nightmarish creature. But...
A great white shark ( Carcharodon carcharias ) emerges from the water's surface, gaping at the photographer. Gaping is a way sharks communicate with each other, and maybe even try and communicate...
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...
Not all sharks are a dull gray: the coral catshark ( Atelomycterus marmoratus ), for example, is vibrantly colored. These sharks, which reach more than 2 feet long, live among coral reefs, eating...
The scalloped hammerhead shark is one of the five species CITES has protected.
Dr. Mahmood Shivji explains how shark DNA is used as evidence to prosecute shark fin poachers . What is shark finning? Find out here .
A scalloped hammerhead Sphyrna lewini at Isla del Coco, Costa Rica. Illegal shark fishing along with increasing demand for shark fin soup has led to the removal of 95% of endangered scalloped...
Three bar jacks and a female tiger shark, nearly 4-meters long, swim off the coast of the Bahamas in this image captured by National Geographic photojournalist Brian Skerry. For nearly 30 years,...
Perhaps the most distinctive marine animal of all—the Great Hammerhead has a unique hammer-shaped head that gives it large visual range. Like other sharks, the hammerhead has many teeth. More so than...
A shark nursery of blacktip reef sharks ( Carcharhinus melanopterus ) in a lagoon in the Pacific. Shark nurseries are found mainly in shallow water regions in which the shark pups can grow up while...
A thresher shark’s long tail fin helps not only its swimming ability, but also its ability to hunt. It can use the fin to herd and trap schooling fish by swimming in increasingly smaller circles...
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...
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