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.
Box Jellyfish: World's Most Venomous Sea Creature
Stinging 'Sea Lice' Invading Atlantic Beaches
Jellyfish Don't Have Brains, But They Still Sleep
Why No Fish Wants a Tongue-eating Parasitic Louse in its Mouth
Pistol Shrimp: The Fastest Gun in the Sea
The Amazing Mantis Shrimp Punches Its Prey, Plus More Colorful Facts
Giant African Land Snails Invade South Florida Again
The Cone Snail Is a Slow, but Highly Venomous, Predator
The Tiny Blue-ringed Octopus Is the Ocean's Deadliest
The Deep Ocean Giant Isopod Looks Like a Huge Roly-poly Bug
The Portuguese Man-of-war Is Not a Jellyfish and Packs a Nasty Sting
Bootlace Worms Can Grow Longer Than Most Whales
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Scientists until recently believed Octopuses & Co. were colorblind. If that were the case, how could the animals create such vivid physical color displays?
Baby fish rely on jellyfish to protect them from predators, but that delicate symbiosis is at risk as seawater CO2 levels rise due to human actions.
How can a rich ecosystem exist beneath water as muddy as that of the Amazon River's plume? The surprising discovery all has to do with physics and density.
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.