(Greg Ritland | U.S. Fish and Wildlife Service via AP, file) This 2019 file photo provided by the U.S. Fish and Wildlife Service shows a Lahontan cutthroat trout recently caught at Pyramid Lake, 30 miles northeast of Reno, Nev. Federal and tribal officials are celebrating the completion of a $34 million fish bypass system at a Nevada dam that will allow the threatened Lahontan cutthroat trout to return to some of its native spawning grounds for the first time in more than a century.