The proposed habitat is over 90,000 acres and includes portions of Contra Costa, Napa, Sacramento, Solano and Sonoma counties ...

At issue is the longfin smelt, whose better-known relative, the delta smelt, has long been at the heart of high-profile ...

Riordan said the hope is to re-establish the fish in the Delta. The California Department of Fish and Wildlife's website states the fish is currently endemic only in the San Francisco Estuary.

Photo/Jeff Gritchen/The Orange County Register via The Associated Press / Los Angeles City Fire Captain Frank Lima greets Los Angeles Mayor Karen Bass as she joins California Gov. Gavin Newsom, right, ...

The U.S. Fish and Wildlife Service today proposed to designate 91,630 acres of critical habitat under the Endangered Species Act for the critically imperiled San Francisco Bay population of longfin ...

The delta is the largest estuary on the West Coast and it supplies water for thousands of farms and an estimated 25 million Californians. Planners said the project would take more than a decade to ...

The Delta habitat for delta smelt is polluted with often-lethal concentrations of herbicides and pesticides discharged and transported from California's Central Valley into the fish's estuary home.

President-elect Donald Trump faulted California water policies for the devastating wildfires that are burning in Los Angeles County. The fires started because of fierce winds and extremely dry ...

Two species of tiny, drab, and otherwise forgettable fish—the blotchy brown snail darter and the pale, silvery delta ...