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Tag, You're It: Tracking the Grand Canyon's Toughest Fish

Season 2 Episode 5 | 4m 35s

Biologist Lindsay Hansen and her USGS team work day and night to study the federally threatened humpback chub in the Grand Canyon. Using PIT tags, they track fish growth and migration to understand how this resilient species adapts to cold dam flows and warming tributaries like the Little Colorado. Their efforts offer a glimpse of hope in an altered ecosystem.

Extras
Get a sneak peek at a brand new season of NATURE on PBS.
Discover filmmaker and playwright Luis Valdez, a founding figure of the Chicano Movement.
Ghost in the Machine reveals AI’s troubled history and present-day impacts.
Michael Spyres and Lise Davidsen, as the title characters, sing an excerpt from Act II.
Meet gifted artisans who pour passion and skill into timeless products made with love.
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Trailer for Remake by director Ross McElwee.
POV
Behind the Lens interview with Remake director Ross McElwee.
Watch Carlos Vives y La Provincia on Austin City Limits
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Trailer for Arrest the Midwife by director Elaine Epstein.
POV
Behind the Lens interview with Arrest the Midwife director Elaine Epstein.
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