Sharks & Rays

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What is scarier: sharks or extinction? This video from Save Our Seas puts whether we should fear sharks or they should fear us into perspective . Humans have killed killed off 95% of some...
Dr. Mahmood Shivji explains how shark DNA is used as evidence to prosecute...
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Sharks are one of nature’s most beautiful—and misunderstood—creatures. When...
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Sharks are much older than dinosaurs. Their ancestry dates back more than 400...

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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...
The goblin shark ( Mitsukurina owstoni ) is one of the creepier fish out there! It has a long, prominent snout covered with special sensing organs (ampullae of Lorenzini) that help it to sense...
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 ...
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...
“Once in a while, manta rays appear in great numbers in a small bay in the Baa Atoll. The concentration of plankton must be very high in this particular bay, because up to 200 manta rays have been...
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...
The pre-industrial American landscape was once rightly described as a place where “the deer and the antelope roam.” On land, we take it for granted that the plant-eating deer and antelope far...
A male great hammerhead shark swims in the Bahamas at sunset in this image captured by National Geographic photojournalist Brian Skerry. For nearly 30 years, Skerry has been swimming with and...
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 .
Millions of sharks are caught each year for their dorsal fins, which are prized for shark fin soup. Top predators like sharks are important to maintaining biodiversity, and their removal can have...
Great White Sharks are stealthy hunters and the secret is in their skin. Shark skin is covered by tiny flat V-shaped scales, called dermal denticles, that are more like teeth than fish scales. These...
Animals, on land and in the ocean, live in a 3-D world, and they depend on their sense organs and brains to build the mental constructs that allow them to orient and navigate, which is crucial for...
Every summer since 1987 (that's right, shark week is 26 years old!) the Discovery Channel has been bringing the ocean to our living rooms with a week-long tribute to all things shark. Here at the...
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...
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,...
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...
"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...
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