Sometimes nature is just out to screw with you.
There are at least two kinds of shark that can, when handled, bark like dogs.
Another day, another way for nature to weird out.
Sharks are sleek underwater predators that soundlessly stalk their prey.
Except for the sharks that bark like dogs when they feel threatened.
So far, scientists dont know exactly how they do it, or whether its intentional.
Both sharks use the same mechanism to produce the barking sounds.
When they are threatened, they suck in water.
When they expel the water, they make a hoarse sound that resembles a barking dog.
To understand why this is remarkable, try singing with a throat full of water.
Top Image:City.and.Color
[Sources:Biology of Sharks and Rays,Swell Shark.]
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