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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,...
Reef sharks rarely get any love. These sharks, comprising several species,...
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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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 opportunity, bull sharks will...
A great white shark ( Carcharodon carcharias ) emerges from the water's...
Two fossilized teeth from a megalodon ( Carcharodon megalodon ) dating back...

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Sharks are much older than dinosaurs. Their ancestry dates back more than 400 million years, and they are one of evolution’s...

The Ocean Blog

“This shark was cruising low along the reef known as Alcyone. Her left eye was glancing up toward other hammerheads when I took this shot from below.” -- Nature's Best photographer, Alan Studley. See...
In November 2012, Australia began protecting a huge swath of its ocean from overfishing and oil exploration, creating the largest network of marine reserves in the world at a grand total of 1.2...
It's illegal to hunt threatened species such as the Dusky shark, but still tens of millions of sharks are taken each year for their fins—in high demand as a delicacy in China. Inside his laboratory...
Ever heard of a cookie-cutter shark ( Isistius brasiliensis )? They look like your average shark —sort of menacing and streamlined—but their name comes from how they feed. They eat smaller animals (...
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 fossil tooth whorl of the ancient shark Helicoprion , dating back 290 million years before present. For a long time, people didn't know what the shark looked like—but, thanks to a CT scan of a...
I want snack, so give me cookie! The cookie cutter shark ( Isistius brasiliensis ) is as fearless as they come! This small, 20-inch shark can take on giants like whales and larger sharks, and have...
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...
Scientists know the Greenland shark ( Somniosus microcephalus ) moves slowly in the Arctic's cold water. They also know that parasites attack the shark's eyes. But much about this animal remains a...
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...
Whenever a shark attacks a human, it's headline news. But when a human kills a shark, it goes unreported. Fear keeps many people from caring about sharks. But sharks have more reason to fear us than...
"Tens of millions of sharks are killed each year, often only for their fins. I have wrestled with how to take pictures of dead sharks that resonate with readers. One morning, I jumped into the sea in...
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...
Christian McDonald, the Scientific Diving Safety Officer at the Scripps Institution of Oceanography, tows a surface float at Millennium Atoll in the South Pacific.
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 . Learn more about the great white...
Dr. Mahmood Shivji explains how shark DNA is used as evidence to prosecute shark fin poachers . What is shark finning? Find out here .
Enric Sala has spent much of his career looking for the ocean's "time machines" -- areas rich in biodiversity and largely unaffected by humans. In this recorded webcast , Sala, a National Geographic...
Save Our Seas scientist Alison Kock tags a Great White Shark ( Carcharodon carcharias ) to gather data about their movements off the coast of South Africa. More about the great white shark can be...
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