Triangle. A shark is definitely a triangle.
the goblin shark has a mouth inside a mouth.
oval
Whale Shark
A shark
The hammerhead shark got its name from the shape of its head, called a cephalofoil. There is no such thing as a dumb shark.
the whale shark
the bull shark
Very easily.
Yes
Triangular!
The Megalodon shark which is Greek for "big tooth" .
Greenland Shark