Mollusks make up a massive group of invertebrates that includes snails, clams, octopuses and more, with researchers regularly adding new species — living and extinct. At Live Science, you can find awesome mollusk facts and findings with the latest news, features and articles from our expert writers and editors, including stories about a micro mollusk breaking the record for world's tiniest snail, why a "hat"-wearing ancient slug may explain the mollusk family tree and the discovery of a weird sea mollusk sporting hundreds of armored eyes.
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Octopuses: Facts about the 8-armed geniuses of the sea
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'She turns her siphon into a gun': Watch coconut octopus firing stones at fish in world-1st footage
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Octopuses burn more calories changing color than you use on a 25-minute run
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Glowing mystery sea slug that feeds like a Venus fly trap captured in deep sea footage for 1st time
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Watch extremely rare footage of a bigfin squid 'walking' on long, spindly arms deep in the South Pacific
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Pacific geoduck: The large, phallic clam that can live longer than 165 years
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Never-before-seen vampire squid species discovered in twilight zone of South China Sea
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Octopuses: Facts about the 8-armed geniuses of the sea
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'She turns her siphon into a gun': Watch coconut octopus firing stones at fish in world-1st footage
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Octopuses burn more calories changing color than you use on a 25-minute run
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Watch female octopus drag male around during sex in rare footage captured off Indonesian island
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Oldest known sex chromosome emerged 248 million years ago in an octopus ancestor
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4 never-before-seen octopuses discovered in deep sea off Costa Rica
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Blue-ringed octopus, one of the most toxic animals on Earth, bites teen after hiding in shell
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Watch ghostly dumbo octopus swim with its massive 'ears' in rare new footage
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See extremely rare photos of alien-looking '7-arm octopus' spotted near Washington coast
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Bright yellow sea snail named 'margarita' in honor of late musician Jimmy Buffett
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Green-banded broodsac: The brain-hijacking parasite that creates disco zombie snails
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Giant snails that were eating Florida homes finally eradicated … again
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These sea snails fly like butterflies, sink like hang-gliders (VIDEO)
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This Iron-Shelled Snail Is Totally Metal … And Now It’s Endangered
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George the Snail, the Last and Loneliest of His Kind, Dies
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Tiny Antarctic 'Kidnappers' Steal Sea Snails & Wear Them Like Backpacks
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Scientists Sucked a Memory Out of a Snail and Stuck It in Another Snail.
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Strange Snail Love Triangle Leaves 'Lefty' Jeremy Without a Partner
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Watch extremely rare footage of a bigfin squid 'walking' on long, spindly arms deep in the South Pacific
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Rare video shows elusive deep-sea squid cradling her gigantic, translucent eggs
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Elusive 'octopus squid' with world's largest biological lights attacks camera in striking new video
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Black-eyed squid dragging thousands of eggs like a cape captured in video off Costa Rica
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Adorable, newfound pygmy squid species named after Japanese forest fairies
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Watch elusive, sucker-less squid in rare footage captured off the Galapagos
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Watch a see-through squid with demon-like eyes swim in Alaska's deep waters
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Diver captures stunning photos of rare 8-foot giant squid
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Squid and human brains develop the same way despite diverging 500 million years ago
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