Wildlife officials are just weeks away from turning the water on at the Lake Mead Fish Hatchery, a facility that had to abandon raising trout as water levels dropped at the nation's largest reservoir.

In an effort to safeguard the endangered Sonoyta pupfish, the Arizona Game and Fish Department (AZGFD) recently introduced 123 of these fish into Biosphere 2's Desert ...

Hundreds of tiny endangered fish slipped from orange plastic buckets into a glittering lagoon in Malibu on Tuesday, returning home five months after being whisked away from threats wrought by the ...

May a judge be considered a keystone species? If so, I nominate U.S. District Court Judge Michael Simon, who issued an order on Feb. 25 that has far-reaching benefits for our threatened Columbia basin ...

Freshwater fish species have an uphill battle for survival, especially with a changing ecosystem. “So, we’re trying to see ...

A group of endangered northern tidewater gobies has returned to their natural habitat in the Santa Monica Mountains after spending five months recovering at two Southern California aquariums following ...

Researchers prepare to perform a necropsy on an endangered sawfish in March 2024 at the Florida Fish and Wildlife Research Institute. Nearly two years after one of the planet’s rarest fish began ...

Three conservation NGOs have filed suit to block the administration of U.S. President Donald Trump from using more water from the Sacramento-San Joaquin River Delta, arguing that the action would harm ...

Hundreds of endangered fish that were rescued from their habitat due to the Palisades Fire have returned home after being held for several months at two local aquariums. The endangered northern ...

Bay Area environmentalists believe the Trump administration is not only limiting the scope of the Endangered Species Act but also attempting to limit new species from being listed for protection.

Cattle producers and landowners are celebrating after the lesser prairie-chicken was removed from the endangered species list, ending years of regulations put on agriculture.