Sharks have been known to reproduce either sexually or asexually, but it's usually one or the other. Now, researchers have observed the first documented case of a zebra (or leopard) shark switching ...

A leopard shark in Australia has made history after it became the first of its species to be observed switching from reproducing with a male to creating offspring completely asexually. The research ...

Melbourne: Leonie the leopard shark has made a switch that could save her species becoming the first shark recorded to change from sexual to asexual reproduction, researchers have found. Christine ...