Leaping over small man-made jumps and swimming determinedly upstream in Alameda Creek, a small group of bright red chinook salmon are back from the Pacific Ocean and ready to spawn. Twenty miles ...

As salmon and steelhead swim upstream, they’re now facing one more challenge in fish ladders. It’s a non-native fish competing for space: the American shad. At Lower Granite Dam on the Lower Snake ...

The barrier removal project reconnects 20+ miles of stream and restores historic migration routes Chinook salmon have been spotted in an upper stretch of Alameda Creek, the largest local tributary to ...

BONNEVILLE DAM — The U.S. Army Corps of Engineers is gutting and rebuilding a large section of Bonneville Dam’s fish ladder to make it easier for Pacific lamprey to pass the dam as they return from ...

For the first time in more than a century, salmon will soon have free passage along the Klamath River and its tributaries — a major watershed near the California-Oregon border — as the largest dam ...

As soon as it rains, coho salmon likely will swim up a small creek to a spawning ground in the west Sonoma County hills that has been impassable to the species for decades. When they come to the ...

BONNEVILLE DAM, Columbia River, Wash. — There is a new king of the Columbia. Each spring, a chrome tide of fish native to the East Coast floods the Northwest’s mightiest river by the millions. Shad, ...

The lower half of a fish ladder at Bonneville Lock & Dam in Cascade Locks remains unchanged as upgrades focus on the upper section. A new $8 million project at the Bonneville Lock & Dam aims to make ...

Courtesy of Matt Mais / Yurok Tribe Chinook salmon are spawning in streams above four former dam sites on the Klamath River in numbers that are astounding biologists. Now, a network of tribes, ...

Between 80 and 200 Chinook salmon spawn at Nimbus Fish Hatchery in Gold River each day from early November through this Friday, ending their life cycle with an ascent up the fish ladder to the ...

Male coho salmon hang out in Lapwai Creek on Thursday as they wait for females to spawn with. About 18,300 adult coho returning from the Pacific Ocean have passed Lower Granite Dam on the Snake River ...