In an underground river of southeastern China, an “eyeless” cave creature with a “large hump” swam through the dark waters. Its hard-to-reach home kept it hidden — until some determined scientists ...

An endangered species has returned to its Northern California river habitat for the first time in almost a century, wildlife officials said.

The lake trout was caught in 2023 near Sheboygan Reef — the same general area where that very fish was stocked in 1985 ...

Redding and Anderson Cottonwood Irrigation District administrators plan to repair and make usable again the Fish Viewing Facility in Caldwell Park.

Government officials cleared out a warmwater pool on the Colorado River that had become a breeding ground for pesky invasive fish.