A monster fish collector finally tracks down the platinum goonch catfish, one of the rarest predator fish he has ever seen.

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 ...

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 environment where few ...

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 ...

A rare fish species thought to be extinct for over 80 years was rediscovered in India. The journal Zootaxa announced on Friday, Jan. 31, that a Chel snakehead, also known as Channa amphibious, was ...

A rare oarfish, known as the "doomsday fish," was spotted in shallow waters off Baja California Sur, Mexico. Days earlier, a deep-sea anglerfish was filmed swimming in broad daylight off the Canary ...