One of the reasons sharks have been so successful is that they have exploited different ecosystems and eaten different types of foods. And because they’re eating different foods, they need different ...

Number of species: There are well over 350 known species of sharks, and new species are described ... Their skin is covered with denticles, tooth-like scales that differ from the scales of bony ...

They had long, pointed snouts and teeth designed to catch and tear apart prey, but most of the sharks in this genus were ...

Found off New Zealand, the species adds crucial knowledge about this little-known and odd-looking group of deep-sea fish ...

But they were still affected. Fossil teeth show that the asteroid strike at the end of the Cretaceous killed off many of the largest species of shark. Only the smallest and deep-water species that fed ...

Numerous shark species are capable of inflicting mortal ... Ranging from 15 to 20 feet in length and equipped with rows of razor-sharp teeth, they are apex predators capable of inflicting serious ...

Along the western shore of the Chesapeake Bay where more than 30 miles of cliffs – some as high as 100 feet – generations of people have been finding fossils, especially shark teeth that date ...

There are more than 500 species of sharks, but in popular imagination there ... here will meet the other version—the one with teeth. Attacks on people are incredibly rare.

The bill does not criminalize the accidental capture and release of a shark if incidentally captured while lawfully fishing for other species. It also allows for the state’s continued issuance ...

sharks and rays never run out of teeth, as they are endlessly replaced. Both sharks and rays have gills. Most have five but a few species of shark have six or even seven. On a shark the gills are ...