The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
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A cat can jump FIVE TIMES as high as it is tall!
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The male seahorse carries babies and 'gives birth' to them instead of the female.
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A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
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Cows can sleep standing up, but they can only dream lying down.
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