The idea of a shark attacking someone in the ocean is scary enough, but this week, a 7-year-old boy was bitten by one of these fearsome fish in a lake.
Shark Week may be ending tonight, but that doesn't mean you can't give yourself a few more shocks with these GIFs from an underwater nightmare.
A look back shows how our collective fear of these apex ocean predators is evolving into awe and respect.
Everything around it looks like a nail to the great hammerhead, a distinctive-looking predator of deep waters, coastal stretches and coral reefs.
If there is an Elvis of the shark world, the Great White is it, hands down. Check out its open-water moves.
Dolphins have come up with some clever and effective ways of surviving shark attacks.
Sharks have a reputation for being loners, but many are actually very social with each other.
From sleeping under a shark tank to petting the backs of sharks, there are many safe ways to get up-close with a shark.
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