Scientists Make Splash as Native Fish Risk Going Under

A photo taken on Sept. 22, 2014, shows fish swimming through the coral on Australia's Great Barrier Reef. The 2,300-kilometre-long reef contributes A$5.4 billion (US$4.8 billion) annually to the Australian economy. William West/AFP via Getty Images

A third of Australia’s native freshwater fish species face possible extinction, as invasive breeds, climate change, extreme weather, and human impact take their toll.

The first comprehensive study into native freshwater fish stocks found urgent action was needed to protect the nation’s Indigenous species and the environment.