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Yellowstone National Park Juvenile Bighorn Sheep casually amble along a precipice near Tower Falls.
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Yellowstone National Park
Yellowstone Fish Reports
A collage of photos: person holding a giant trout and a person standing next to a boat by a body of water.
NPS photo by(left)Ertel and (right)Koel
Graduate researcher holding giant cutthroat trout at Clear Creek, Yellowstone National Park (left) and Yellowstone National Park fisheries biologist (right) with an electrofishing raft on the Yellowstone River upstream of Yellowstone Lake.
 

Peer-reviewed Literature

Other Technical Reports

Yellowstone Science Articles

National Environmental Protection Act Documents

Additional Technical Information

Additional information regarding Yellowstone’s fish and other aquatic resources is available at the Greater Yellowstone Science Learning Center. Visit the GYSLC at www.greateryellowstonescience.org

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Summer Crowd at Old Faithful.

Did You Know?
At peak summer levels, 3,500 employees work for Yellowstone National Park concessioners and about 800 work for the National Park Service.

Last Updated: June 13, 2011 at 15:30 MST