A mature female shark may produce only one or two pups every other year.

At the left end, the first figure was a human woman, or close enough to fool me, and at the right end was a female shark.

Some female sharks carry their young within them connected to a placenta, the "pups" being born alive and ready to forage for themselves.

The female bamboo sharks had laid eggs in the past.

They've got a female shark you'd have to do business with.

Thirty-one of the past ninety-four years, if being a female shark counted.

These female sharks are speculated to be taking advantage of the warmer water to speed their growth or that of their embryos.

A female shark is pregnant for a short time: it will only take two months for a shark to develop and come out from its mother.

Yet there was a recent report of a virgin birth in an aquarium - a female shark having a baby without mating.

In recent years the number of male sharks have out-numbered female sharks by 20:1.