FishTick Advantages at Yukon River Fish Wheels

FishTick greatly improved the fish-counting procedure at Alaskan fish wheels;

Less handling stress (After using FishTick, USFWS found that handling delayed migration and reduced survival to the spawning grounds.)

Minimize holding time

Less labor intensive

Better sex identification

Better external tag detection

Permanent record for review

More accurate counts (fish often escape from live boxes)


Old fish-counting procedure:Old fish counting procedure

Fish go from the wheel down a chute to a live box, where they are netted out.




New fish-counting procedure:New fish counting procedure

Using FishTick to record passage of fish down the fish wheel chute back into the river.



For more information on Alaska fish wheel counting programs, please visit