“Whoosh” Cannon Helps Separate Hatchery and Wild Salmon

October 31, 2014 By: Marshall Cutchin

A device originally designed to move apples without bruising them is now being used in Washington state to help separate hatchery salmon from wild salmon.  In their video coverage, CBS News reports that the “salmon cannon” may also be used to shoot salmon over dams, to help migration during the extensive drought being experienced on the US west coast.