genetic brook trout -- 001

genetic brook trout -- 001

Loyalsock Creek with trout inset

Researchers electrofishing the bottom of a pool on Loyalsock Creek in northcentral Pennsylvania. They were searching for wild brook trout (shown in the inset) in a study that included researchers genotyping about 2,000 fish. The research was the first to look at genetic introgression on wild brook trout in an actively stocked watershed.

IMAGE: Tyler Wagner Research Group/Penn State