Researchers tracked more than 200 bull sharks off the coast of New South Wales to find out exactly when they were most active and posed the greatest risk to humans.
NatGeo Sharkfest episode focuses on stories of whales and dolphins saving people from sharks. But are they really trying to protect us?
A researcher snapped a close-up photo of a tiger shark with its massive mouth gaping open. The tiger sharks are often known as garbage disposals of the sea because of the variety of things they eat.
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