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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,...
Blog entry MORE STORIES Blog entry MORE AUDIO / VIDEO
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...
How do we know where ocean animals swim day and night? Scientists are getting snapshots into the daily lives of whales , sharks , and even fish by tagging the animals to track their movements. You’ve...
Reef sharks rarely get any love. These sharks, comprising several species, loiter around coral reefs, snacking on small fish, squids and crustaceans. And while their size is nothing to smirk at—5-10...
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...
The blue-spotted stingray ( Taeniura lymma ) doesn’t like to be covered in sand like other species of stingray do. Instead, it prefers to show off its beautiful blue spots and, to stay up to the best...
What would you do if you came face to face with a shark ? Brian Skerry lives for these moments and is ready with his camera. Here he is seen photographing a large tiger shark on the seafloor near the...
This illustration shows one old idea of what the ancient shark Helicoprion might have looked like. There once was room for many ideas—some more plausible than others—because the only fossils of the...
by Caty Fairclough Sharks have been feared hunters ever since people first observed them swimming in the vast ocean. Yet today, sharks are declining rapidly on a global scale because humans have...
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...
Imagine an adult person – now triple that size. That’s the size of the great white shark ( Carcharodon carcharias ). The biggest great white sharks can reach up to 20 feet long, but most are smaller...
Large numbers of grey reef sharks ( Carcharhinus amblyrhynchos ) were observed at Jarvis Island, an uninhabited Pacific island, during the 2010 Pacific RAMP expedition of the NOAA Ship Hi'ialakai ...
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...
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 (...
By-catch, illegal fishing, sport fishing, loss of prey and habitat and shark nets are threatening Great White Shark ( Carcharodon carcharias ) populations globally. More about the great white shark...
Unlike the hammerhead, the oceanic white-tip shark ( Carcharhinus longimanus ) is aggressive towards humans. It has been noted as a danger toward those stranded at sea, and is very powerful during...
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...
Grey reef sharks ( Carcharhinus amblyrhynchos ) are among the most versatile and tough predators on a Pacific coral reef, but they are also among the most vulnerable species, as they are threatened...
Manta rays are related to sharks, but have quite a different reputation among humans. They are often called the gentle giants of the sea because of their curious nature and graceful movements. This...
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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