Rusty crayfish have been found in the Upper Colorado River Basin for the first time. That's according to Colorado Parks and Wildlife, which says the discovery in Grand County of the invasive species ...

GRAND LAKE, Colo. — Colorado Parks and Wildlife found an invasive species in Colorado waters: Rusty crayfish, a species native to the Ohio River Basin, were found in Lake Granby, the department said ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. DENVER (KDVR) — Colorado Parks and Wildlife ...

It's become a familiar refrain for Colorado Parks and Wildlife — a topline predator fish eats itself out of its prey, forcing fisheries managers to find ways to control the predator. It happened at ...