The long tube wiggled and then violently wobbled, shaking as a salmon came blasting out the end and belly-flopped into the water. Still in its pilot phase, the cannon-type device, "o'fish'ally" known ...

Nisqually Trout Farms stocks Northwestern lakes and ponds with rainbow trout. The company uses a fish cannon to transport migratory fish who face hurdles caused by human destruction to populate bodies ...

Whether you are a sport fisherman, a conservationist, or simply like to eat good fish, the havoc wreaked by massive dams on river-spawning fish (like salmon) should concern you. Salmon are incredible ...

Activists trying to save salmon is nothing new. Innovations like the fish ladder have helped salmon return to their birthplace to lay eggs if dams are in their way. A new invention, though, is putting ...

Ever since rivers have been dammed, destroying the migration routes of salmon, humans have worked to create ways to help the fish return to their spawning grounds. We've built ladders and elevators; ...

When salmon are ready to spawn, they make a fantastically long journey back to their birthplace in order to reproduce on gravel beds. Typically speaking, this trip involves swimming from the open sea ...

The long tube wiggled and then violently wobbled, shaking as a salmon came blasting out the end and belly-flopped into the water. Subscribe to read this story ad-free Get unlimited access to ad-free ...