Languages; English. An invasion of trout at Yellowstone lake impacted wildlife populations throughout the ecosystem of the National Park, scientists have found. The lake trout, which were first ...

It's a case of trout versus trout, and in the face-off between native Yellowstone cutthroats (Oncorhynchus clarkii bouvieri) and the intruders on the scene, lake trout (Salvelinus namaycush), the ...

Todd Koel, a Yellowstone fisheries biologist overseeing the park’s lake trout suppression project, said the crew quit Oct. 15, just in time to haul the big gillnetting boats out of the park befo ...

Koel led the research using “data collected from trap nets for lake trout deployed throughout Yellowstone Lake every year from 1980 to 2017, as well as data from gill nets used to assess ...

POWELL, Wyo. (AP) — Unbidden lake trout in Yellowstone Lake may find they can swim, but they cannot hide — if Trout Unlimited, federal and state entities and volunteers have their way.

A tally left on the board from early September counted 204,300 slain exotic lake trout from the summer. By the time Yellowstone National Park’s lead fisheries biologist, Todd Koel, talked to ...

That's because Yellowstone Lake is home to North America's largest population of wild cutthroat trout. To fish in Yellowstone, anglers must obtain an online permit, only fish in designated areas ...

As the lake trout population has been reduced by nearly three decades of netting, Yellowstone Lake’s native cutthroat trout have slowly rebounded and gotten bigger — a lot bigger.

A marina owner at Flaming Gorge told Cowboy State Daily on Wednesday that lake trout are gobbling too many prized kokanee ...

Then, in 1994, another major threat to the native fish was detected when lake trout were found in Yellowstone Lake. They aggressively preyed on, and reduced, the lake’s migratory cutthroat trout.