In a heart-stopping moment, the sneaky shark swiftly opens its jaws before engulfing the diver's head. For a few seconds, the swimmer's head remains in the mouth of the predator as it shakes the ...

A group of divers removed a fishing hook from the mouth of a shark in Jupiter, Florida. Video courtesy of the Associated Press Follow BI Video: On Facebook More from Science A triangle pointing ...

“The heaviest great hammerhead shark ever recorded weighed a ... is an indentation in the center of its head with small bumps on either side of the nostrils. The slender hammerhead has ...

Its gaping mouth has six rows of teeth in its upper jaw, and nine rows below, for a total of about 1,500 tiny, hooked teeth. The basking shark’s scientific name, Cetorhinus maximus, roughly ...