Feared by most, loved my some and hunted by many, sharks are one of the most mysterious groups of creatures roaming the Earth today. Defined as a fish with a full cartilaginous skeleton and a sleek, streamlined body, a shark can range in size from the two foot pygmy shark, to the colossal 50-foot whale shark. There are more than 250 different species of sharks currently identified, making it one of the most diverse animal genera on the planet. Sharks are found in every major body of saltwater in the world, but are more common in warmer waters. There are a small number of shark species that do thrive in fresh water, and certain sharks have been known to venture from their saltwater homes to major freshwater lakes and rivers. Most members of the Shark family are predatory, though some are more ferocious than others. Ironically, the largest of the shark species, the whale shark and basking shark, are virtually harmless plankton eaters. Sharks have an extraordinary sense of smell when it comes to hunting prey, and have been known to be able to sense visually undetectable amounts of animal blood dispersed into the water from considerable distances.
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7 Shark Attacks in 3 Weeks: Are North Carolina Beaches Safe?
A tiger shark off the coast of North Carolina.
July 2nd, 2015
Fourth of July weekend is a popular time to hit the beach, but this year, vacationers may not be the only ones swarming the waters off North Carolina.
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Shark-Mounted Cameras Reveal Predators' Deep-Sea Secrets
Large creatures, sharks
June 23rd, 2015
In a first-of-its-kind project using cameras mounted onto the fins of deep-sea sharks, researchers have made surprising discoveries about what keeps these mysterious creatures afloat.
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Shark Bites Two: Possible Explanations for Attacks
A tiger shark off the coast of North Carolina.
June 15th, 2015
A trip to the beach turned terrifying for two young people on Sunday (June 14) when each was attacked by a shark while wading in waist-deep water off the coast of Oak Island, North Carolina.
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Shark Attacks in North Carolina: 'Perfect Storm' May Be Causing Bloody Encounters
A shark sign at the beach.
June 29th, 2015
North Carolina's recent bevy of shark attacks are the result of many diverse factors, according to experts.
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Photos: Deep-Sea Shark Migrations Captured with Fin-Mounted Cameras
Shark study
June 23rd, 2015
Researchers at the University of Hawaii and the University of Tokyo studied sharks' swimming habits using fin-mounted cameras.
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20-Foot Monster Shark Once Trolled Mesozoic Seas
sharks of the cretaceous
June 3rd, 2015
Researchers unearthed several giant vertebrae from a giant shark that trolled the seas about 100 million years ago.
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In Photos: Rare Pocket Shark Discovered
Illustration of a pocket shark.
April 24th, 2015
Scientists have identified a pocket shark that was collected from the Gulf of Mexico, only the second specimen in this genus ever reported, they say. Here are images of the teensy shark.
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Texas Just Banned Sales of Shark Fin, Will Other States Follow?
Tiger sharks are stocky barrel-shaped sharks that can grow up to 11 feet in length. They are solitary predators and are known to hunt a wide variety of animals, including other sharks and sometimes humans. Tiger sharks get their name from the dark stripes
June 25th, 2015
One by one, states are deciding sharks are more important than soup.
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Did Sharks Really Kill That Cute Baby Dolphin?
The dead baby dolphin.
June 18th, 2015
A baby dolphin sounds cute, right? What about a baby dolphin torn apart by hungry sharks?
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Great White Shark 'Mary Lee' Spotted Near NYC
Mary Lee the great white shark
May 13th, 2015
At 3,456 pounds (1,570 kilograms), a great white shark named Mary Lee may be one of New York's largest tourists.
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