FISHERIES -- Someone who believed he was smarter than God and nature illegally introduced non-native lake trout around 1990 into pristine waters of Yellowstone National Park.

If only that genius would step up and take credit so the world could herald him in infamy with other selfish, destructive cowards.

Decades later, here's what scientists are doing in a $2 million a year program to maintain the delicate ecosystem that's suffered ripple effects all the way up to grizzly bears at the top of the food chain.

More than 300,000 lake trout pulled from lake in Yellowstone Park
Netting operations in Yellowstone Lake pulled some 315,000 lake trout from the Yellowstone National Park waters between May and October in an effort to remove the voracious predator that's been impacting native cutthroat.
Idaho Statesman