They have a big .....
That's backwards; they got their name by having big mouths.
Since everyone's mouths are different, their descriptions will also be different. While some people have wide and big mouths, others have smaller and narrow mouths. The shapes of these mouths differ as well. These can range from big, small, wide, narrow, or even rigid.
their mouths grip and stretch when their prey is too big.
Because they need big enough mouths to get some of those big bugs in their mouths that they eat.
Because they have big mouths. :D
they open really big lol
Typically, when Americans open their mouths English comes out; this happens somewhat less with French people.
Yes! Especially if your name is Timothy! BS
it depends on the size of the shark
to hide their ugly face
they do not have jaws.