MISSOULA, Mont.— A federal district court in Montana ruled Tuesday afternoon that the U.S. Fish and Wildlife Service erred in denying Montana’s Arctic grayling population protection under the ...

Arctic grayling are known for prominent dorsal fins. The river-dwelling population in the Big Hole River has been the focus since 1991 of debates about whether the small, isolated population should be ...

Despite its cold and rather drab-sounding name, the Arctic grayling is a strikingly beautiful fish. Sporting an oversized dorsal fin bejeweled with an iridescent array of reds, oranges, and blues, ...

Michigan DNR provided 400,000 Arctic grayling eggs to three Native American tribes for reintroduction into state waterways. Arctic grayling, a freshwater fish once prevalent in Michigan, disappeared ...

A years-long effort to reintroduce Arctic grayling to Michigan's lakes and streams recently began a new phase, state officials said this month. In a ceremony on May 12, the Department of Natural ...

He responded Wednesday to Christensen’s order. “This decision is welcome news for Montana’s Arctic grayling, a uniquely beautiful fish whose last native population in the Lower 48 states barely hangs ...

Legal battles began in 1991 about whether the small populations of fluvial Arctic grayling in the Big Hole River and upper Madison River Basin deserve protections under the federal Endangered Species ...