
Even before they're born, baby sharks have to be tough to survive. Some that grow inside their mothers compete with their womb-mates for food, space, and their very lives. Others have to escape as soon as their mothers give birth to avoid becoming her tasty snack. If they survive...

Even before they're born, baby sharks have to be tough to survive. Some that grow inside their mothers compete with their womb-mates for food, space, and their very lives. Others have to escape as soon as their mothers give birth to avoid becoming her tasty snack. If they survive...