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

But recent monitoring surveys of the species conducted by fisheries biologists from the California Department of Fish and ...

Are California and federal water pumps killing endangered fish species? 03:01 SACRAMENTO -- Are state and federal water pumps killing critically endangered fish species?

Since 1948, CDFW biologists and warden-pilots have conducted this survey annually using fixed-wing aircraft. They focus on ...

(CN) — The U.S. Fish and Wildlife Service on Wednesday proposed listing the Long Valley speckled dace, a rare minnow native to the eastern Sierra Nevada, as an endangered species.. The decision stems ...

The largest freshwater fish in North America, which was once abundant in California’s major rivers and San Francisco Bay, has declined in numbers to a point that state officials will consider ...

House Republicans passed a measure Thursday that would repeal the government’s decision to place California’s longfin smelt, a finger-sized fish, on the endangered species list. House members ...

Wrasse are a vibrantly colorful group of fish that includes 600 species; many of the tailspot’s relatives are common in home aquariums, Victor said. Declaring a new species isn’t an easy process.

Southern California’s rivers and creeks once teemed with large, silvery fish that arrived from the ocean and swam upstream to spawn. But today, these fish are seldom seen.