Virgin Shark Pregnant with Pup

In the second known case of shark parthenogenesis, a female Atlantic blacktip shark in the Virginia Aquarium & Marine Science Center became pregnant while in captivity away from males of her species. In May 2007, the 5-foot (1.5-meter) shark died and underwent a necropsy. It was then that aquarium officials discovered that she was carrying a nearly full-term pup. DNA testing showed that the pup had no father. This second case of asexual reproduction in sharks has convinced …

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Virgin Shark Pregnant with Pup