Sand tiger sharks, also known as gray nurse sharks ... feeding at night and generally staying close to the bottom. Their staple is small fish, but they will eat crustaceans and squid as well.

Shark sex is a bitey business, with males grasping females with their teeth during the act. The resulting wounds are helping scientists to figure out when and where sharks are doing the deed.

Dr. Jones is now part of a small group of scientists ... three of the five beached sharks, including two that could not be moved to a lab and had to be dissected on sand that quickly soaked ...

With the push of a few buttons, an electric pump began sucking up a small portion of the ... to see is its outline in the sand. “You don’t see the angel shark,” said Jose A.

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 ...