"Extinct" means no longer existing, but the news (https://3g.163.com/dy/article/GAVLG6910514TQ42.html) says "The Chinese Sturgeon Research Institute in Yichang, Hubei Province, is the only institution that continuously conducts the breeding and release of Chinese sturgeon.
Founded nearly 40 years ago, the Chinese Sturgeon Research Institute has made a series of advances in the artificial breeding of Chinese sturgeon.
The 2009 breakthrough in fully artificial breeding"
I'm using VSCode/Markor to write notes and I'm using ripgrep to find the things I want to recall, it's straightforward and easy to maintain. The method used in this post isn't particularly convenient in mobile device.