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 ...

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 ...