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Baby mantis shrimp throw knockout punches at 9 days oldLarvae punch slower than adults can, but still strike far faster than their prey can swim.
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500 million-year-old fossil is the granddaddy of all cephalopodsTiny fossils in Newfoundland, Canada may be evidence of the oldest cephalopod on record.
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Vampire squid ancestor died in 'eternal embrace' with its dinnerA well-preserved fossil reveals that 180 million years ago, an eight-armed predator suffocated with its prey.
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Do octopuses dream of 8-armed sheep? New study hints at human-like sleep cycle in cephalopodsOctopuses switch between "quiet" and "active" sleep, where they turn vivid colors.
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Millions of dead jellyfish are washing up around the world. 'The blob' could be to blame.Every few years, millions of by-the-wind sailor jellyfish wash up on beaches and die. What is causing so many of them to become stranded? The blob could be to blame.
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Octopuses can 'see' light with their armsOctopuses can "see" light with their arms, even when their eyes are in the dark, researchers have found.
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10 strange animals that washed ashore in 2020Here are 10 gnarly animals from our ocean's depths.
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Octopus punches fish in the head (just because it can)Octopuses sometimes partner with fish to hunt, but the partnership comes with risks (for the fish, that is).
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Rare 9-armed octopus found off Japan coastHow did an octopus in Japan grow nine arms?
