A news tidbit from the Portland District, U.S. Army Corps of Engineers Facebook page: “We’re rebuilding our Bonneville Dam, Washington, fish ladder for Pacific lamprey! They’re stoked, we assume.

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 ...

Fish ladders were designed to help migrating species like salmon bypass dams but do they actually work? In this video, we explore how fish ladders function, why many fail, and the surprising ...

For 50 years, scientists believed that schools of fish would save the most energy by swimming in flat diamond formations. Recently, a team of researchers at Princeton and Harvard ran an experiment to ...

Water flows through rapids Wednesday, Sept. 24, at the Pinicon Ridge Park Dam in Central City. The low-head dam, built in 1967, was modified in 2023 to reduce the swirling water effect that increases ...

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 ...

The Winchester Water Control District (WWCD) was told to start work next week on improving the fish passage in the Winchester Dam to be consistent with current standards, but an ...