I understand that by and large hatchery steelhead are fin clipped. I also understand that the WDFW does not fin clip some "small" number of fish to allow them to carry their hatchery genetics in the case of a bad return of hatchery fish, thus saving the hatchery gene pool from extinction.
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Give a man a fish, and you'll feed him for a day; give him a religion, and he'll starve to death while praying for a fish.