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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The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
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Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
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Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
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Giant Anteaters' front legs look like a panda.
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Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
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The ancestor of all domestic cats is the African Wild Cat which still exists today.
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