Add Yahoo as a preferred source to see more of our stories on Google. One of the rarest fish in the country is slowly swimming back from the brink of extinction after being spotted in a California ...

LAS VEGAS (FOX5) — Earthquakes around the world have rattled the Nevada home of the world’s rarest fish deep in a hole in Nye County. As a result, their numbers have plummeted. Now there is an effort ...

A tiny desert fish survives in a sun-scorched cavern on the edge of extinction. Here’s how it’s offering scientists a rare glimpse into the extremes life can endure. If you ever needed proof that ...

(via PBS Terra) With under 40 pupfish left in the wild, these are possibly the rarest fish on the planet. The Devils Hole pupfish have existed in isolation for thousands of years in an extreme ...

Death Valley's Devils Hole pupfish, an inch-long marvel, survives extreme heat and low oxygen in a tiny Nevada cavern. These fish, isolated for millennia, face constant threats from environmental ...