How does a shark have babies?

Sharks can have from 1 to 100 babies at a time, depending on the type of shark. The ones with pups that grow inside the mother have fewer babies at a time than sharks that lay eggs outside the body. Sharks do not care for their babies after they are born, but they do search for a safe place where they can lay their eggs or give birth. read more

Female sharks have developed a couple of defenses to the male shark roughness. To protect against the pre-copulatory biting, females have developed rougher and thicker skin. Additionally, most species of female sharks have evolved to be larger than their male counterparts. read more

Plus, in some shark species, you have to survive gestation without being eaten by your developing siblings. Not that you could tattle to Mom once you're out of the womb -- after birth, shark pups are pretty much on their own. read more