Some sharks have teeth that are flat and very strong. They are typically found in species that live at the bottom of the ocean and feed on hard-shelled animals such as crabs and shelled molluscs.

Sand tiger sharks, also known as gray nurse sharks, have a deceivingly ferocious look. They are large-bodied and display a mouthful of sharp teeth that protrude in all directions, even when the ...

Great whites get all the glory, but bottom-dwelling sharks bring plenty to the table. Here, we're looking at some of our favorite seabed shark species.