Have you ever heard of a swell shark?
Well, you may not know it, but you may have
seen one at an aquarium, because they tend
to do well in captivity.
They are a fairly small shark that averages
just a little under 3 feet long.
They are not known to be great swimmers, so
they spend a lot of their time hiding in holes
and caves.
They are also pretty shy and usually try to
avoid being seen by divers (that could be
why we don�t hear much about them).
Now before you start thinking that this shark
is just an old boring fish, they do have something
cool, unlike other sharks.
When a swell shark feels threatened, it will
curve its body into a U shape, holding its
tail in its mouth and suck in as much water
or air as it can to make its body swell up.
This way it can get itself stuck in a hole
or just look to big for another fish to eat.
So next time you see a swell shark, make a
scary face at it and see if you can get it
to swell up.
If nothing else, you making faces at sharks
could be pretty funny to everyone else watching.
We hope you enjoyed our shark fact.
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