A new $8 million project at the Bonneville Lock & Dam aims to make it easier for Pacific lamprey to migrate along the Columbia River. The project, currently under construction on the Washington side ...

AMHERST — Boyd Kynard of Amherst founded the BK-Riverfish environmental consulting business under the premise that too many fish in rivers throughout the United States and around the world are impeded ...

VERNON, Vt. (WCAX) - It’s the time of year when many species of fish are heading upstream to spawn, but human-made dams, especially on the Connecticut River, can pose a challenge to their passage. In ...

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 ...

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 ...

A salmon passed through the fish ladder of a key dam on the upper Klamath River on Sept. 24, in what wildlife officials hope is a sign of the iconic fish repopulating ever-greater stretches of the ...

The alewife spawning season that begins this month across Long Island will be helped by several fish passages constructed over the past two years to provide the feeder fish access to spawning waters ...

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 ...