In the '90s, whirling disease hit trout populations hard in Montana, at one point leading to a 95% decline in rainbow trout ...

Rainbow trout are the most common type of stocked trout, while golden rainbow trout are a unique hybrid species. Brook trout are the state fish and have a distinctive dark coloration with red ...

“We want to minimize the risk for any sort of disease to be transferred from stocked brooks to wild brook trout,” he said. “We don’t see any impact if we have rainbow trout that are in streams. We are ...