The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
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The colossal squid has the largest eyes in the world.
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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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Dire wolves actually existed, living up to 10,000 years ago before going extinct.
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Cats and dogs can hear ultrasound.
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Mosquitoes don't just bite you, they also pee on you.
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