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Photo of a Hawaiian monk seal on the beach, with the ocean in the background.
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The Endangered Hawaiian Monk Seal

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Oikopleura gorskyi is a rare deep-water species of larvacean
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Deep-Water Larvacean

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“Upon returning from the reef after a night dive, I swam toward a bright reflection and came eye-to-eye with this beautiful, curious squid.” -- Nature's Best photographer Charles Viggers.Equipment Used to Capture the Shot: Nikon D700; 105mm ƒ/2.8 lens
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Squid at Sunset Reef Grand Cayman, Cayman Islands

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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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Two Adélie penguins face each other while lying on ice.
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Adélie Penguins Face Off

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“The male weedy seadragon is entrusted with the pink, fertilized eggs once mating has been completed. It is his task to incubate them until their hatching, approximately eight weeks later. The day this photo was taken, the weather and conditions were unu
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Weedy Seadragon, Flinders pier, Flinders, Victoria, Australia

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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 longshoreman standing in front of a large pile of oyster shells on waterfront pier in Atlantic City in 1910.
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Counting Mountains of Oysters

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The Sant Ocean Hall is the National Museum of Natural History's largest exhibit, providing visitors with a unique and breathtaking introduction to the majesty of the ocean
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The Smithsonian's Sant Ocean Hall

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a man snorkels at the surface near a coral reef while a woman sits on a boat and watches
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The Truth About Corals and Sunscreen

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a lanternfish's scales glitter blue in a black sea
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Lanternfish

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