New DNA tracking helps spot rare ‘Tai O fish’ in Hong Kong waters after 10 years

A Hong Kong academic has used environmental DNA technology to detect the critically endangered Chinese bahaba – commonly known as the “Tai O fish” – in local waters for the first time in more than a decade. Jack Ip Chi-ho, an assistant professor at Lingnan University’s division of science, co-led the study with Wang Junjie, a professor at South China Normal University in mainland China. Together, they developed a genetic identification method capable of detecting traces of Chinese bahaba DNA...