The return of a lake-dwelling giant.(cutthroat trout)

Jay Bigelow holds a male Lahontan cutthroat trout (Oncorhynchus clarki henshawi), one about three years old and 16 inches (40 centimeters) long, and admires the sunlight reflecting off the black-spotted silvery-white flanks. It's part of a unique brood stock he's developing. Bigelow supervises operations at the Lahontan National Fish Hatchery in Gardnerville, Nevada, on the banks of the Carson River. The hatchery is part of a larger integrated fisheries complex that includes the Nevada Fishery Resources Office and Marble Bluff Fish Passage Facility. These stations coordinate…