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 ...

The first sharks on Earth: Ancient relatives of sharks first appeared ... while probing the uterus of a pregnant sand tiger shark, was bitten by an unborn pup. The strongest shark bite: The ...

got lucky, landing a four-and-a-half-foot sand tiger shark. It was quiet for the next ... primarily fish for them in Florida.

OARAI, Ibaraki Prefecture--A sand tiger shark was born at the Aqua World Ibaraki Prefectural Oarai Aquarium here, the first successful breeding of the species in Japan. Only four other aquariums ...

Researchers have discovered a new-to-science species of ancient shark during an ongoing paleontological resource inventory at Mammoth Cave National Park. The new species of obruchevodid petalodont ...

Unlike some of the more mega-sized shark species of ancient Earth, park officials said the recently found shark only measured about 3-4 inches long. Other notable features of the shark include the ...