Australian lungfish are known to be ultra-survivors, but this lungfish is pushing the boundaries even for its own kind. At over 90 years of age, Methuselah is one of the oldest fish in the world–and ...

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 ...