"Salmon Cannon" Successor Continues to Give Fish Tube-Rides Over Dams
Editor's note: This article was originally published in 2021 but has been re-edited and updated with new information current as of May 2nd, 2025.
Back in 2014, we heard about a so-called "fish gun" or "salmon cannon" that safely shot spawning fish up over river-blocking obstacles such as dams. Its successor has since entered use, most recently allowing herring to bypass a spillway for the first time in 80 years.
Manufactured by Seattle-based Whooshh Innovations, the salmon cannon's actual name was the Whooshh Transport System...
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