Jellyfish as a species are actually older than dinosaurs and sharks.
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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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Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
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Denmark has twice as many pigs as there are people.
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Macaques monkeys in Japan learned to steal purses and wallets, take out the coins, and use them to buy drinks and snacks from vending machines.
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Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
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The head of a jellyfish is called the "Bell."
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