The rare fish was last spotted in Victoria, Australia in 1929 North Central CMA A fish previously declared extinct has been released back into the wild in Australia. The olive perchlet, a small ...

A tiny fish long feared lost has resurfaced in Bolivia, offering a rare conservation success story amid widespread habitat ...

The ancient coelacanth, a lobe-finned fish, is a “living fossil” in every sense of the term. Biologists believe this supreme survivor has undergone little change in 400 million years. Here’s its story ...

Just because a species is presumed extinct doesn’t mean it’s gone forever. Here are four glowing examples of this unique, and felicitous, phenomenon. Not all species that have been classified as ...