Many fish are switch-hitters: they have the ability to change from male to female, or vice versa, when it’s convenient for reproduction. Not so for sharks and rays, which develop either male or female organs before birth. But off the coast of Taiwan, fishers discovered a shark with a fully developed set of male and female reproductive organs. The animal is one of only a handful of such sharks ever documented, and the first of its species.
Read the rest of my story for Hakai magazine here.