Whooshh Fish Canon

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The amazing Whooshh fish canon!
(…) Salmon are amazing fish. They’ll swim hundreds of miles against the current, hurl themselves up waterfalls, and risk being eaten by bears as they return to their birthplace to spawn. But some obstacles are too much, and that’s where Whooshh Innovations comes in. Behold, the salmon cannon. Seriously, watch this video of fish getting launched out of pneumatic tubes.
Whooshh Innovations (“Whoosh” was already taken) first designed its tubes to transport fruit, but as Washington state debated what do about hydroelectric dams and the salmon whose migrations they blocked, the company saw its technology might have another purpose. If Whooshh tubes could send apples flying over long distances without damaging them, maybe, an employee thought, they could suck fish up and over the dams blocking the Columbia river (…) [source and read more : The Verge]

Another way to transport fish: stocking by plane