They're more than just a good-looking fish. Brook trout have a lot to tell us about the state of our trout streams.

Photo credit: Denver Water. Brook trout caught during electrofishing in the upper ... According to Ewert, the Trojan male or “YY trout” — are male fish that are incapable of producing female offspring ...

The sterile fish, a cross between a male brook trout and a female brown trout, are proposed for planting in four of the state ...

Pre-spawn brook trout are a gift – but, when they're spawning, leave 'em be. / Photo by Jasper Taback Whether ... deposit her eggs, wait on a male trout to fertilize the eggs, then sweep gravel ...

CPW said in a release that on Sept. 17, they stocked 480 Trojan male brook trout, also known as YY brook trout, into Bobtail and Steelman creeks in Grand County, south of Hot Sulphur Springs.

Photo by Wyoming Game and Fish Department Thirteen-year-old ... a sterile hybrid species that’s a cross between a female brown trout and a male brook trout. The two trout species rarely hybridize in ...

When the General Assembly of Pennsylvania officially made the brook trout the state fish ... Having more than just one male fish fertilize the eggs is a species survival tool allowing greater ...

This includes approximately 2.4 million rainbow trout; 693,000 brown trout; and 125,000 brook trout ... Scroll through the photos above for a look at Saturday’s trout opener in the Lehigh ...

More information is available on the WDFW SEPA webpage. Washington fisheries officials want brook trout out of a creek in Pend Oreille County to make more room for native westslope cutthroats.