The giant salamander might be a pyramid scheme

The world’s largest amphibian should be easy to find. The Chinese giant salamander can be as big as your entire body, and on average resemble a labrador. And while they used to be abundant, after months of searching, scientist are struggling to find even a few. 24 individuals, across 50 sites where the salamanders once thrived. Moreover, the few found all have genetic markers indicating they had escaped or been released from farms. There may not be any wild individuals left.

But this tragedy is getting worse. Based on analyses of the salamander, it’s becoming clear that it’s not one species but five. And they are all facing imminent extinction in the wild.

Read more about it here.