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Lying in water only a foot deep, I watched the shark meander lazily through the mangrove, already exuding the confidence inherent of the supreme creature within its domain. It was hot here...
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Animals, on land and in the ocean, live in a 3-D world, and they depend on...
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The TOPP program brought together scientists from seven countries to explore...
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Reef sharks rarely get any love. These sharks, comprising several species,...
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May 14, 2013 - 9:19AM
An X-ray image of a Monterey skate ( Raja montereyensis ) reveals a spine that extends like a tail out from the pelvic fin. The skeletons of skates, rays, chimaeras, and sharks are made of cartilage, rather than bone. Scientists...
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CREDIT: © Mary Parrish/Smithsonian Institution 1. Respect Your Elders Sharks have a long and impressive lineage. Ancient...
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Dec 17 2009 - 5:39pm
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...
Aug 22 2012 - 1:57pm
The TOPP program brought together scientists from seven countries to explore the lives of large mid-water animals such as sea turtles, birds, whales, tuna, sharks, seals and even squids. Animals that...
May 14 2013 - 9:19am
An X-ray image of a Monterey skate ( Raja montereyensis ) reveals a spine that extends like a tail out from the pelvic fin. The skeletons of skates, rays, chimaeras, and sharks are made of cartilage...
Oct 28 2010 - 7:01pm
The International Union for the Conservation of Nature ( IUCN ) maintains the Red List of Threatened Species , an inventory of the global conservation status of plants and animals. In a 2010 study ,...
Nov 18 2010 - 3:49pm
Sunday, November 21 marks World Fisheries Day , an annual occasion observed in many fishing communities around the world. It’s a great opportunity—even for those of us who do not fish for a living—to...
Feb 2 2010 - 10:10am
This photo of a freshly cut dorsal fin from a scalloped hammerhead shark ( Sphyrna lewini ) , was taken in 2006 on a long-lined fishing boat in Cocos Island, 300 miles off the Pacific coast of Costa...
Oct 18 2010 - 4:27pm
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...
Dec 17 2009 - 6:20pm
In California, the Gulf of Farallones National Marine Sanctuary provides protection to Great White Sharks and other species. More about the great white shark can be found in our Great White Shark...
Feb 17 2010 - 6:13pm
Great White Sharks ( Carcharodon carcharias ) are marvels of evolution, with highly-evolved senses keeping them among the ocean’s top predators. However, they are threatened with extinction and...
Sep 29 2011 - 1:46pm
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...
Jan 7 2013 - 9:06am
The shortfin mako shark ( Isurus oxyrinchus) is found offshore in tropical and warm temperate waters of all oceans, but has been known to travel to cooler waters at times. It is very strong and the...
Feb 8 2010 - 7:43pm
Dr. Mahmood Shivji of the Guy Harvey Research Institute and Save Our Seas Shark Center sampling a confiscated shark fin for DNA analysis. He can determine the species for hundreds of shark fins using...
Nov 16 2012 - 5:05pm
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 (...
Jan 26 2010 - 10:45am
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 .
May 29 2012 - 11:42am
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 denticals, that are more like teeth than fish scales. These...
Feb 6 2013 - 8:47am
At night this lemon shark ( Negaprion brevirostris ) lurks at the surface, but often during the day they will lie on the ocean bottom. This behavior had been thought to save them energy, but in...
Jan 26 2010 - 10:45am
Great White Sharks ( Carcharodon carcharias ) are powerful swimmers, capable of going 50 kph / 35 mph. They can migrate long distances, from Hawaii to California, and from South Africa to Australia...
Dec 18 2009 - 2:20pm
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 shark...
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