Scientists have discovered the world’s largest known subterranean fish in a cave in northeastern India. The “troglomorphic fish” was discovered last year, according to recently released research. “The ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. The previously unknown Xingren golden-line fish appears to be still evolving for cave life. . | ...

The rare, pale grotto sculpin fish has become a rallying point for local support and conservation efforts in Perry County.

BERLIN – A German man who goes diving underground for a hobby has discovered what scientists say is Europe's first known cave fish. Spelunker Joachim Kreiselmaier chanced upon the fish in August 2015 ...

WASHINGTON (CN) - The U.S. Fish and Wildlife Service plans to protect the grotto sculpin as an endangered species, and to designate above- and below-ground critical habitat for it under the Endangered ...

While cave-dwelling fish might be somewhat of a regularity in certain parts of the world, you used to be able to count Europe out of that equation. Cave fish were unheard of in the region and it was ...

A fish that swims in limestone caverns under the Somalian desert has something to tell scientists about keeping time. Despite living in permanent darkness, with no difference between day and night, ...

Blind fish that spend their lives in dark, underwater caves have lost a huge chunk of their ability to hear, scientists report in the March 27 Biology Letters. Two of the fish species studied could ...

Every group of Mexican tetra fish speaks with a different accent. Scientists studied both the blind cave-dwelling populations and those that live in rivers. They all communicate using a series of ...

A blind cave fish that has spent millions of years underground isolated from evidence of day and night still has a working biological clock, albeit an unusually distorted one, scientists find. This ...

Creatures that spend their lives in dark caves tend to be changed by the experience. Gollum lost the hair on the tops of his feet and his taste for cooked food. Mexican cave fish lost their eyes.