And because they’re eating different foods, they need different types of teeth.’ Serrated teeth have a jagged edge - a bit like the ... species of shark we know from looking at their fossilised teeth.

Not only is the “Shark Bite Capital of the World” in Florida, but so is the “Shark Tooth Capital of the World.” See guide to ...

The rig shark that the scientists were studying is a small shark, growing to just about 5 feet in length. Nieder said the noise it makes sounds a bit like a ... of the sharks' teeth snapping ...

A closer look at what defines a shark ... But with 510 species of shark and 650 species of ray, what do they really have in common? Well, all sharks and rays share some fundamental features.