Yellowstone National Park recently announced that it had removed over 300,000 lake trout from Yellowstone Lake during its summer 2012 gill-netting operations. Yes, that’s three hundred thousand of the non-native, predatory fish pulled out of the lake, all in a single season. And many of them are real whoppers, like the one held by Park Service fisheries biologist Phil Doepke in the NPS photo at left.
Where did all these lake trout come from? Why does the park want them gone? How has the lake trout’s presence in Yellowstone Lake affected other organisms, such as the iconic cutthroat trout? Read more