BUTTE, Mont. -

The Montana Department of Fish, Wildlife and Parks plans to expand the range of Arctic grayling in the Upper Big Hole River in western Montana starting this spring.
The Montana Standard reports (http://bit.ly/Y4ayhM) the agency in May plans to place up to 30 incubators at various locations in the river as well as two tributaries, Governor Creek and Warm Springs Creek.
Each incubator will contain about 1,000 eggs from brood stock. Officials hope the eggs will hatch within three weeks and the fish can survive.
Arctic grayling are a sport fish noted for their large, sail-like dorsal fin.
In the Lower 48 states, they are only found in Montana and are listed as a species of concern by FWP.