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 ...

On December 30, Ted Judah saw a fish called the King-of-the-Salmon ribbonfish in Monterey Bay. It is a rare creature that's ...

A tiny desert fish survives in a sun-scorched cavern on the edge of extinction. Here’s how it’s offering scientists a rare ...

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 ...

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 ...

This video follows the unbelievable moment you bring home what might be the rarest fish on the planet. You will see the reveal, the colors, and the surreal details that make this species almost ...

Meet the “ghost fish,” a phantom of the abyss. Here’s how we found the first ever proof of its existence just a few years ago. The deep sea is a part of the world that very few humans get the chance ...

SAN DIEGO, Calif. (KABC) -- This is really the stuff of nightmares. A rare, monstrous-looking fish recently washed ashore in San Diego. It's called the Pacific footballfish, and it's one of the larger ...