One of the rarest fish in the country is slowly swimming back from the brink of extinction after being spotted in a California river for the first time in 10 years. The Southern California steelhead ...

Add Yahoo as a preferred source to see more of our stories on Google. A rare oarfish found at Ocean Beach on Tasmania's west coast. (Photo credit: Sybil Robertson) In two separate incidents this week, ...

These three fish are freaks, phantoms and mysteries of the deep. Here’s what we’ve learned from the rare glimpses we’ve had of their lives. The deep sea is one of Earth’s final frontiers. Given its ...

There’s a good chance that, unless you’re an exotic fish collector, you’ve never heard of the Asian arowana. But in some circles, the nondescript fish—which is indigenous to the rivers and swamps of ...

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 ...

What did you do this summer? Well, a 9-year-old from South Carolina caught a nearly record-breaking fish that weighed more ...

With under 40 pupfish left in the wild, they are possibly the rarest fish on the planet. With under 40 pupfish left in the wild, these are possibly the rarest fish on the planet. The Devils Hole ...