Marine Biologist Marah J. Hardt explains how our own wellness depends on the healthy sex lives of fish. This talk was filmed at TEDxMileHigh. All TEDx events are organized independently by volunteers in the spirit of TED's mission of ideas worth spreading. To learn more about TEDxSHORTS, the TEDx program, or give feedback on this episode, please visit http://go.ted.com/tedxshorts.