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This short video takes you two hundred miles off the coast of Oregon and some 6,600 feet below the water's surface to observe the Dumbo octopus ( Grimpoteuthis bathynectes ). Little is known about...
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Not all slugs (snails without shells) are slimy brown pests found in your...
In a decade long project, which ended in October 2010, scientists with the...
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From the giant squid to microscopic squid babies, squids are beautiful and...

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These cancer cells have been treated with discodermolide, a chemical obtained from a sponge that grows on deep-sea coral reefs. It prevents the cells from dividing and spreading. Learn more about deep-sea corals in the multimedia...
Most lobsters are a mottled brown color, but sometimes you can see a strange...
"While Komodo Island, Indonesia is famous for its giant prehistoric lizard,...

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Jellyfish and comb jellies are gelatinous animals that drift through the ocean's water column around the world. They are...
This bearded fireworm ( Hermodice carunculata ) must have a strong stomach -- it’s sucking on fire coral ( Millepora sp. ), which would give the unlucky snorkeler a nasty sting. Encountered in St...
Seahorses are not just tropical creatures. They can be found in colder waters like those found off New Zealand, Argentina, Eastern Canada, and the UK. This long-snouted seahorse ( Hippocampus...
This nudibranch, or shell-less marine snail, is making a comeback to a location it hasn't been to in years along the California coast. First discovered off the coast of Southern California in 1902,...
Two California market squids ( Loligo opalescens ) mate in the waters off of California's Channel Islands. While spawning, the male's arms blush red as he embraces the female, a warning to other...
Male fiddler crabs each have a single super-sized claw that they use as a weapon to threaten and fight other males and as beautiful adornment to attract females. Here, see a video of two male dancing...
This copepod Calanus hyperboreus (up to 7mm in length) lives in the Arctic , usually within 500 meters of the surface. To survive the cold Arctic winters, Calanus hyperboreus builds up dense fat (...
Since late April, the world has watched a devastating oil spill from a BP drilling rig spread throughout the Gulf of Mexico and become one of the worst environmental disasters in the history of the...
The European green crab ( Carcinus maenas ) has spread far beyond its native continent, to waters off North and South America, Asia and Australia. It's a voracious eater and poses a nuisance to...
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