One distinctive characteristic of an endangered species is they're hard to find. So it was no surprise no one saw a bull trout jumping up the nine levels of the Rattlesnake Creek fish ladder Friday ...
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 ...
Despite the huge environmental and economic importance of migratory fish in the Mekong River, there’s been little empirical data documenting where and how fish travel within the Lower Mekong Basin.
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