Summary

Offspring of wild fish dominated 4% more contests than offspring of hatchery fish, but differences were not detected in scramble trials
Offspring of wild fish were more aggressive in both contest and scramble trials
Types of agonistic behaviors used by offspring of hatchery and wild fish were similar
Dominant fish grew the most
Dominance rates may change if differences in time and size of emergence or growth rates differ

Offspring of wild fish dominated 4% more contests than offspring of hatchery fish, but differences were not detected in scramble trials