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“It was shaping up to be a bad night dive when my mask broke and I was forced to come up early. The others continued diving and I was becoming a bit bored at the surface when I suddenly spotted some grey reef sharks hunting in the light of our ship. I to
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Grey Reef Shark, West New Britain, Father Reefs, Papua New Guinea

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"This particular shark was just as curious as I was, which enabled me to capture such an amazing shot. His eye came just above the surface and stared back at me as if to show me he was watching, while below the surface his mouth opened to reveal his sharp
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Lemon Shark, Offshore Grand Bahamas Island

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A bamboo shark grows in a thick egg case. Even within the egg case, the embryonic sharks can sense predators nearby and, in response, stop all gill movement and hold still to slip under the radar.
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Shark Embryo

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A stingray swims in an Australian marine reserve.
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Australia's 1.2 Million Mile Marine Reserve

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An elephant seal with round scars from a cookie-cutter shark lays on the beach.
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Cookie-cutter Shark

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“This shark was cruising low along the reef known as Alcyone. Her left eye was glancing up toward other hammerheads when I took this shot from below.” -- Nature's Best photographer, Alan Studley.Equipment Used to Capture the Shot: Nikon D300; Tokin
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Hammerhead Shark, Cocos Island, Costa Rica

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Millions of sharks are caught each year for their dorsal fins, which are prized for shark fin soup. Top predators like sharks are important to maintaining biodiversity, and their removal can have ripple effects through an ecosystem.
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Finned Sharks in South Africa

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A manta ray meets a diver face-to-face near San Benedicto, Mexico.
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Diver Meets Manta Ray

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Great White Shark at sea surface – marvels of evolution.
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Great White Shark at Surface

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A geneticist samples shark DNA
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Dr. Mahmood Shivji

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An array of teeth from ragged tooth sharks.
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Smithsonian Shark Teeth collection

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A researcher leans off of a boat to tag a great white shark.
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Alison Kock tags a shark

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