![A global biodiversity tipping point as first marine fish extinction declared](/content/images/size/w600/2024/05/A-global-diversity-tipping-point.jpeg)
Charles Sturt University
A global biodiversity tipping point as first marine fish extinction declared
A species of ray, so rare it has only ever been recorded once back in the late 1800s, has been declared extinct after an assessment by an international team led by Charles Darwin University (CDU).