In January, a baby shark was born in a tank containing only two female swell sharks at the Shreveport Aquarium. It could be a ...

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.

Shark sex is not for the faint-hearted ... so the male often grasps the female with his teeth, leaving bloody wounds on her body in the process. Many males don't leave unscathed either.