Cleaner water brought native fish back to the Santa Cruz River between Tucson and Nogales. So says a new report on the Upper Santa Cruz from the conservationist Sonoran Institute. The report analyzed ...

WASHINGTON – The U.S. Fish and Wildlife Service on Friday proposed listing a small freshwater fish as an endangered species and setting aside almost 300 miles of Arizona and New Mexico streams as ...

PHOENIX — A newly built segment of the southern Arizona border wall may bolster national security, but it will endanger one of the rarest desert fish in the U.S., according to the Center for ...

PHOENIX (AZFamily) — Arizona’s state fish is finally off the hook. Governor Katie Hobbs & state leaders announced that the Apache trout has been delisted from the endangered species list. “This is a ...

The U.S. Interior Department announced Wednesday it has removed the Apache trout — Arizona’s official state fish — from the list of endangered and threatened species. The delisting shows the federal ...