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Scientists built this salmon cannon to shoot fish over dams (video)

Tuesday May 20, 2025. 05:41 PM , from BoingBoing
The salmon cannon is an ingenious device that routes salmon around dams that would otherwise prevent them from reaching their spawning grounds. It's really just a tube, but cannon sounds so much better. The device's actual name is 'passage portal,' but even Whooshh, the manufacturer, calls it a salmon cannon in their promotional video. — Read the rest
The post Scientists built this salmon cannon to shoot fish over dams (video) appeared first on Boing Boing.
https://boingboing.net/2025/05/20/scientists-built-this-salmon-cannon-to-shoot-fish-over-dams-video....

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