Sharks & Rays

Sharks, rays and skates are fish. But unlike most fish, their skeletons are made of the same cartilage found in our human ears and noses, rather than bone. A diverse group, the elasmobranchs have over 300 species.

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Scientists know the Greenland shark ( Somniosus microcephalus ) moves slowly in the Arctic's cold water. They also know that parasites attack the shark's eyes. But much about this animal remains a mystery. Marine...
Sharks come in all sizes. The largest is the whale shark , which has been known...
For the last 150 years, paleontologists have debated the origins of the great...
The smallest shark, a dwarf lantern shark ( Etmopterus perryi ) is smaller than...

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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. See more beautiful ocean photos...
Known to many simply as “shark girl,” Madison Stewart is an inspiring young...
I want snack, so give me cookie! The cookie cutter shark ( Isistius...

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There are more than 500 species of sharks swimming in the world’s ocean. Yet when most people think of these cartilaginous...
Every summer since 1987 (that's right, shark week is 26 years old!) the Discovery Channel has been bringing the ocean to our living rooms with a week-long tribute to all things shark. Here at the...
Three bar jacks and a female tiger shark, nearly 4-meters long, swim off the coast of the Bahamas in this image captured by National Geographic photojournalist Brian Skerry. For nearly 30 years,...
Manta rays are related to sharks, but have quite a different reputation among humans. They are often called the gentle giants of the sea because of their curious nature and graceful movements. This...
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