Bull Trout Mothers

From the U.S. Geological Survey (USGS):

We're Bullish for Mama (Bull) Trouts: Bull trout mamas seek out cold, undisturbed areas of streams in the Pacific Northwest to lay their eggs and raise their young. These little-known cousins of Pacific salmon are highly sensitive to changes in their environment - likely part of the reason why they are listed as threatened under the U.S. Endangered Species Act. Future climate changes, especially warming stream temperatures and an increased probability of disruption from flooding, may leave Mama Bull Trout wondering where to nest, as the cold, undisturbed areas she prefers become difficult to find.

Researchers at the Northwest Climate Science Center (managed by USGS) are working to understand and map the threats that bull trout face, so that natural resource managers know how and where to direct conservation efforts. Learn more:http://go.usa.gov/cuQMj.
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Photo: A native bull trout swims in the cool waters of the Flathead River near Glacier National Park, Montana. Credit: Jonny Armstrong

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