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'Super' fish? Salmon may surprise you. But they're in peril, and need our help. 2:28

'Super' fish? Salmon may surprise you. But they're in peril, and need our help.

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Her dad went to Korea when she was 2. She's 69 and he is still missing.

Revealing the 2016 All-Idaho Football Players of the Year — 5A-1A 1:37

Revealing the 2016 All-Idaho Football Players of the Year — 5A-1A

Boise State QB Montell Cozart savors his Las Vegas Bowl experience 7:00

Boise State QB Montell Cozart savors his Las Vegas Bowl experience

She's not even a year old, but she has already taken on the slopes at Bogus Basin 2:36

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Idaho man's 'pet' coyote, dog love to tussle, he says 0:25

Idaho man's 'pet' coyote, dog love to tussle, he says

'It's like the fox and the hound': Idaho man's coyote play-wrestles a goat 0:34

'It's like the fox and the hound': Idaho man's coyote play-wrestles a goat

Kuna dog trainer Seth Simpson roughhouses with his coyote, Kate, at home 0:53

Kuna dog trainer Seth Simpson roughhouses with his coyote, Kate, at home

Loans go sour in Canyon County housing venture 1:41

Loans go sour in Canyon County housing venture

Boise State LB Leighton Vander Esch 'silenced doubters' in MW championship 7:32

Boise State LB Leighton Vander Esch 'silenced doubters' in MW championship

  • 'Super' fish? Salmon may surprise you. But they're in peril, and need our help.

    Decades of dam-building, development and human settlement has transformed the Pacific Northwest and complicated the life cycles of Idaho's salmon and steelhead.

Decades of dam-building, development and human settlement has transformed the Pacific Northwest and complicated the life cycles of Idaho's salmon and steelhead. Ali Rizvi, Jordan-Marie Smith & Sohail Al-Jamea McClatchy
Decades of dam-building, development and human settlement has transformed the Pacific Northwest and complicated the life cycles of Idaho's salmon and steelhead. Ali Rizvi, Jordan-Marie Smith & Sohail Al-Jamea McClatchy

5 things we’ve learned about the Pacific Northwest’s endangered salmon

More from the series

20 years later, Idaho's salmon are still in danger of disappearing forever

The salmon of the Northwest are the stuff of legends. Pioneers talked of rivers so thick that they were tempted to cross on the backs of the fish. But times have changed, the fish's numbers have plunged, and 13 species were placed on the endangered species list by 1995. Climate change and our network of hydropower dams have helped thwart attempts so far to find a sustainable solution. And it's possible some of our strategies - including our reliance on hatcheries - have backfired.

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October 07, 2017 10:55 PM

UPDATED December 07, 2017 02:23 PM

More Videos

'Super' fish? Salmon may surprise you. But they're in peril, and need our help. 2:28

'Super' fish? Salmon may surprise you. But they're in peril, and need our help.

Her dad went to Korea when she was 2. She's 69 and he is still missing. 2:12

Her dad went to Korea when she was 2. She's 69 and he is still missing.

Revealing the 2016 All-Idaho Football Players of the Year — 5A-1A 1:37

Revealing the 2016 All-Idaho Football Players of the Year — 5A-1A

Boise State QB Montell Cozart savors his Las Vegas Bowl experience 7:00

Boise State QB Montell Cozart savors his Las Vegas Bowl experience

She's not even a year old, but she has already taken on the slopes at Bogus Basin 2:36

She's not even a year old, but she has already taken on the slopes at Bogus Basin

Idaho man's 'pet' coyote, dog love to tussle, he says 0:25

Idaho man's 'pet' coyote, dog love to tussle, he says

'It's like the fox and the hound': Idaho man's coyote play-wrestles a goat 0:34

'It's like the fox and the hound': Idaho man's coyote play-wrestles a goat

Kuna dog trainer Seth Simpson roughhouses with his coyote, Kate, at home 0:53

Kuna dog trainer Seth Simpson roughhouses with his coyote, Kate, at home

Loans go sour in Canyon County housing venture 1:41

Loans go sour in Canyon County housing venture

Boise State LB Leighton Vander Esch 'silenced doubters' in MW championship 7:32

Boise State LB Leighton Vander Esch 'silenced doubters' in MW championship

  • 'Super' fish? Salmon may surprise you. But they're in peril, and need our help.

    Decades of dam-building, development and human settlement has transformed the Pacific Northwest and complicated the life cycles of Idaho's salmon and steelhead.