Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
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There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
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Two dogs were among the Titanic survivors.
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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 octopus does not have a blind spot.
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The seahorse is the only fish to have a neck.
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