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Jellyfish predate dinosaurs. How have they survived so long?

Gelatinous drifters that move in a mesmerizing way, jellyfish are beautiful...

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Giant Squid

Giant squid live up to their name: the largest giant squid ever recorded by...

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Bioluminescence

You may have seen the sparkle of fireflies on a summer’s night. The fireflies...

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Bioluminescent Animals Photo Gallery

Bioluminescence is one of the more captivating adaptations that have evolved in...

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Biodiversity in the Baltic Sea

In the spring of 2011, a research crew from Oceana spent two months in the...

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Creepy Critters: Marine Life Surfaces for Halloween

Claws, spines, spikes, tentacles, and fangs. Aliens, monsters, and ghostly...

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Deep Ocean Diversity Slideshow

Deep sea animals have to live in a very cold, dark, and high-pressure environment...

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The Hyper Eyes of Hyperiids: How Some Shrimp-Like Creatures See Light in the Deep Sea

Hyperiid amphipods are small crustaceans related to sand fleas and distantly...

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Stunning Sea Slug

Not all slugs (snails without shells) are slimy brown pests found in your backyard...

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Methane Bubbles Up From Seep

Methane gas, trapped deep within the Earth's crust, can slowly leak from cracks in...

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The Bobbit Worm

There aren't any mummies or zombies buried under the seafloor: instead the ocean...

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Smasher Mantis Shrimp

A smasher mantis shrimp came out from its burrow on a fringing reef adjacent to the...