An upstate New York food bank was offered more than 40,000 pounds of coho salmon — a bountiful feast. But there was a catch.

LocalCoho, a pilot for potential other farms across the U.S., used cutting-edge aquaculture practices to raise coho salmon.

On a recent day, workers waded through knee-deep water teeming with salmon to fill their nets. Christina Hudson ... All told, the catch was expected to yield more than 26,000 servings of hard ...