Marine life includes an incredible and vibrant array of wild animals that live in the ocean. From tiny phytoplankton to massive blue whales, marine life is a vital source of food, energy and life for the entire planet.
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The sea butterfly snail moves in Arctic waters in the same way as fruit flies through tropical air. This case of convergent evolution was uncovered by a new study.
Whether they're busting open a child-proof medicine bottle or prying apart Mr. Potato Head, octopuses have some crazy brains. Actually, they have nine of them.
By Julia Layton
Beautiful, graceful, majestic: Such highfalutin words might seem befitting of a mermaid, but a manatee? Perhaps our humble friends deserve a bit more credit. After all, they are known to stoke the imagination of a lonely seafarer or two.
The duckplatypus is an amazing animal. Learn about the duckplatypus.
The death adder is native to Australia, New Guina and nearby islands. This relatively short, stocky snake has a triangular head, tapering tail and long fangs, the longest of any Australian snake.
A friend of mine gave me a package of Sea Monkeys as a gag gift for my birthday. I grew them, and they look nothing like the package but they really are alive! What are these things?
Imagine that someone is pursuing you down a dark alley. Do you run? Duck behind a trash bin? The mimic octopus doesn't sweat this kind of scenario: It just shape-shifts to disguise itself. You'll be surprised by the tricks it's got up its tentacles.
As you observe jellyfish twirl underwater, it's difficult not to be mesmerized by their graceful movements. But if their tentacles touch your skin, you'll regret being anywhere near these gelatinous blobs.
Squid have been featured in sailing myths and legends for more than 300 years. They're swift, agile and surprisingly intelligent creatures with brains larger in proportion to their bodies than most fish and reptiles have. Learn about all squid, squid anatomy and how big squid can can actually get.
By Stephanie Watson
Although jellyfish have been around for over 650 million years, they're still very mysterious. Learn the all about the fascinating jellyfish life cycle.
By Stephanie Watson
Oysters can create pearls from a single grain of sand. How exactly does an oyster create a pearl, and what is the difference between a natural pearl and a cultured pearl?