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 Pistol Shrimp can snap its claws together to create a sound of 218 decibels, louder than as supersonic jet at full speed. It only lasts for 1 millisecond. The snapping action also creates a bubble that is greater than 5000 Kelvin, close to the surface temperature of the sun.
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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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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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A 42-foot sperm whale has about 7 tons of oil in it.
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It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
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