Idaho’s rivers have long been a haven for anglers chasing the thrill of landing a Chinook salmon, but 2025 has brought some big changes to the fishing scene, especially on the South Fork Salmon Rive ...

Samples in 1999 from fall chinook salmon in the Columbia River's Hanford Reach show that four-fifths of the females spawning there apparently began life as males. The finding could provide an ...

Don’t write off male chinook salmon in the Columbia River just yet. Six years ago, scientists reported that 84 percent of the female fall-run chinook they examined in the Hanford Reach appeared ...

A male chinook salmon jumps out of the water at it swims up the American River near the Nimbus Fish Hatchery in 2018. Hector Amezcua [email protected] State officials were supposed to take a ...

Under the terms of a settlement agreement, there could soon be new federal protections for the Chinook, the largest of all Pacific salmon.

The last of the spawning spring-summer Chinook salmon arrived here in June after a herculean 800-mile upstream swim. Now the big fish — which can weigh up to 30 pounds — are finishing their ...

A juvenile chinook salmon was caught in the Kettle River in British Columbia earlier this month, marking the first time since reintroduction efforts began that the species was found in the stream. The ...

An OPB file photo of a male Chnook salmon during spawn. Michael Bendixen / OPB. SPOKANE, Wash. (AP) — For the first time in more than a generation, Chinook salmon have spawned in the upper ...

Chinook salmon, also known as king salmon, are getting smaller, and a team of scientists at the University of Washington think they know why. A new study says killer whales might be behind Chinook ...

Anglers will get a chance to take home chinook salmon from a portion of the the Upper Columbia River this summer. The Washington Department of Fish and Wildlife announced this week that an upgraded ...

The old cliché that you can’t judge a book by its cover applies to Chinook salmon, Idaho Fish and Game Technician Vasili Luzanau says. “We think we know about them in general terms – they ...