Sculpin Trials

Stocked 1 individual from each origin (size-matched) into glass aquaria divided into a safe zone (1/3 of tank, no food) and a predator zone (2/3 of tank, food)
Stocked 1 torrent sculpin into each tank on second day
Fed fry for each of six days
Tested for differences in survival (sign test) and percent growth by weight of the survivors (ANOVA)

Stocked 1 individual from each origin (size-matched) into glass aquaria divided into a safe zone (1/3 of tank, no food) and a predator zone (2/3 of tank, food)