Featured Article: Top 10 Shark Attack Stories
"Jaws" scared movie audiences into staying away from the water. But for some, especially some free-diving abalone hunters, a bloodthirsty shark isn't just a story. See more »
saltwater fish library
Saltwater fish are the most beautiful fish in the world. They range from the majestic marlin to the funny-looking flounder, and the goliath grouper to the tiny blenny, and just about everything in between.
How many sharks are killed recreationally each year -- and why?
Sharks have been around longer than the dinosaurs. After a few hundred million years, it's humans that might kill them off.
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How Nurse Sharks Work
Mellow probably isn't the first word that you think of when it comes to sharks, but these slackers of the sea could change your mind. What's their life of leisure like?
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How Pygmy Sharks Work
Not all sharks are the gigantic fish we see in popular fiction. The spined pygmy shark gets no larger than 9 inches long. Why don't we know much about them?
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How Sharks Work
The oldest shark fossils date from more than 300 million years ago, before the dinosaurs. A few species have kept the same physical characteristics for more than 150 million years. How have they survived so well?
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How strong is a shark's bite?
It's scary enough to imagine a shark's toothy jaw snapping at your half-submerged body in the ocean. But the actual impact of its massive mouth clamping down? Surprisingly wimpy.
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How Tiger Sharks Work
Have you ever been so hungry that you could eat anything? How about a hubcap? Or maybe a suit of armor? If you said "yes," you might have something in common with the second deadliest shark.
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How Whale Sharks Work
The biggest shark in the world is longer than a school bus. But taking people to sea to swim with these giants has become a big industry.
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Is a dead stingray's sting still lethal?
Can a dead stingray's sting kill you? It's highly unlikely, but you'd still be in for a world of hurt if you get stung.
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The 5 Most Dangerous Sharks
The most dangerous shark is the one speeding toward you, right? But if you had to pick a shark to swim with, it wouldn't be one of these bad boys.
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Top 10 Shark Attack Stories
"Jaws" scared movie audiences into staying away from the water. But for some, especially some free-diving abalone hunters, a bloodthirsty shark isn't just a story.
See more »
Top 5 Shark Attack Videos
Although humans are not typically on a shark's menu, sometimes we can be confused for prey. Check out these top 5 shark attack videos and remember to keep your eyes peeled in the ocean.
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What causes a shark feeding frenzy?
The lure of a free meal is enough to get most of us moving and maybe even throwing an elbow or two as we battle for the last slice of pizza. Compared to sharks though, our feeding frenzies are tame.
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What do most sharks eat?
They range in size from 8 inches to 60 feet, so obviously their food preferences will differ. Sometimes what seems like a good meal, isn't, so they spit it out. That includes humans.
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What is electroreception and how do sharks use it?
Ever wonder -- as you're treading water in the ocean -- how a shark might hunt you down? They have a special sense that helps them locate prey.
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What's a shark's "yummy hum"?
If your ears picked up on a 40-hertz signal, you might wonder what the annoying sound was all about. But if you're a shark and you hear this "yummy hum," it might mean it's dinner time.
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Why are cookiecutter sharks called that?
They look harmlessly small for a shark. But their teeth carve bites out of seals, dolphins and even larger sharks. Guess what shape that bite leaves in the victim?
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Why are goblin sharks called that?
The good news is, you're not likely to meet with one of these creatures on your next beach vacation. If you did, it wouldn't be a pretty sight.
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Why do people collect shark teeth?
Sharks can have up to 15 rows of teeth growing behind their front row of chompers, so it's no surprise how many shark teeth litter beaches. But why do people collect them?
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Will a shark drown if it stops moving?
Even the most maniacally energetic people can appreciate crashing on the couch occasionally. Can sharks take the same break without dying?
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Will I get sick if I eat barracuda?
Oooooh, barracuda! It's not just a Heart song -- it's also a dinner dish. But should you be as suspicious of this creature on your plate as scuba divers are of encountering it in the water?
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