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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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Jun 12, 2013 - 9:02AM
The sea's largest fish has been a mystery until recent decades. Thanks to electronic tags, researchers are uncovering some of the secrets of the whale shark ( Rhincodon typus Smith, 1828 ). One tagged animal, dubbed "Rio Lady,"...
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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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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 . Learn more about the great white...
Jun 12 2013 - 9:02am
The sea's largest fish has been a mystery until recent decades. Thanks to electronic tags, researchers are uncovering some of the secrets of the whale shark ( Rhincodon typus Smith, 1828 ). One...
Dec 17 2009 - 6:00pm
Scientists in the Division of Fishes at the Smithsonian's National Museum of Natural History use X-ray imaging to study the complex bone structure and diversity of fish. This image gallery showcases...
Jan 4 2010 - 4:20pm
Tom Peschak, a photojournalist with the Save Our Seas Foundation, describes the devastating effects shark nets have on ocean life along the South African coastline. The nets were installed to protect...
Aug 16 2012 - 11:22am
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...
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 ,...
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...
Jan 26 2010 - 10:45am
This illustration shows one old idea of what the ancient shark Helicoprion might have looked like. There was room for many ideas—some more plausible than others—because the only fossils of the fish...
Jan 26 2010 - 10:45am
The distinctive form of a winghead shark, Eusphyra blochii , is revealed by an X-ray image. The shark's eyes are spread far apart, giving it superb binocular vision. Scientists in the Division of...
Nov 4 2010 - 11:59am
The Malpelo Fauna and Flora Sanctuary site in Colombia was inscribed on the World Heritage List in 2006. The marine park surrounding Malpelo Island is the largest no-fishing zone in the Eastern...
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...
Jan 26 2010 - 10:45am
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...
Dec 17 2009 - 6:18pm
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 .
Dec 17 2009 - 6:21pm
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...
Jan 26 2010 - 10:45am
Sharks have six highly refined senses: smell, hearing, touch, taste, sight, and electromagnetism. These finely honed senses, along with a sleek, torpedo-shaped body, make most sharks highly skilled...
Aug 14 2012 - 10:12am
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 ...
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.
Jun 9 2011 - 3:45pm
Sophi Bromenshenkel is an unlikely shark -lover. She's eight years old and hails from Minnesota, a state that couldn't be further from the ocean. But a family vacation to Florida changed everything...
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