Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Domestic pigs average a top speed of about 11 miles per hour.
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Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
The octopus does not have a blind spot.
273
When dragonflies mate, their tails form a love heart.
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