Latest News for: bull trout

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Solving the mystery of vanishing bull trout

Missoulian 12 Jul 2026
As he and his colleagues at Montana Fish, Wildlife & Parks attempt to solve the mystery of the Swan River's vanishing bull trout, Sam Bourret is all ears ... .
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Why Swan Lake's bull trout are vanishing

Independent Record 12 Jul 2026
As he and his colleagues at Montana Fish, Wildlife & Parks attempt to solve the mystery of the Swan River's vanishing bull trout, Sam Bourret is all ears ... .
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Solving the mystery of Swan Lake's vanishing bull trout

Ravalli Republic 11 Jul 2026
A recent study by Fish, Wildlife & Parks analyzes the inner earbones of freshwater fish, known as “otoliths,” to learn their life histories in northwest Montana ... .
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What bull trout otoliths reveal about Swan Lake streams

Missoulian 09 Jul 2026
Researchers analyzed bull trout otoliths from Swan Lake to identify key spawning tributaries, refining redd count data to target habitat protection and recovery ... .
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Bull Trout Spawning Study Could Aid in Recovery of Imperiled Swan River Basin Population

Flathead Beacon 06 Jul 2026
The study, “Estimates of Spawning Stream Contributions to an Imperiled Bull Trout Metapopulation Utilizing Otolith Geochemistry and Redd Counts,” uses decades of bull trout spawning data ...
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New research identifies key streams for Swan River bull trout

Billings Gazette 30 Jun 2026
Study of Swan River basin bull trout uses otolith geochemistry and decades of redd counts to pinpoint key spawning streams that sustain Swan Lake populations ... .
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