Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
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The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
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It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
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Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
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The octopus does not have a blind spot.
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