There’s a new top fish of the Columbia River, and it doesn’t mind the warm water

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, not salmon, are thriving in the warm, still water created by hydroelectric dams throughout the Columbia River Basin. 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, not salmon, are thriving in the warm, still water created by hydroelectric dams throughout the Columbia River Basin. Plants & Animals Ecology Phys.org – latest science and technology news stories