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 male seahorse carries babies and 'gives birth' to them instead of the female.
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Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
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The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
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