The oceans contain numerous hidden treasures, yet few are as rare, fragile, and valuable as the Totoaba fish. Often called “marine cocaine” because of its exceptionally high market price, this ...

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 ...

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 striking 11-foot oarfish on display in the new exhibit Oarfish: Recent Discoveries from the Scripps Institution of Oceanography Collection at the Birch Aquarium. (Photo Courtesy of the Birch ...

A male red pipefish photographed carrying eggs on its trunk has finally resolved a question unanswered by scientists for ...

A new study shows that fish embryo toxicity tests using the Chinese rare minnow may provide a promising alternative to conventional acute fish toxicity tests. By testing 26 fragrance ingredients, ...