I would be more likely to bonk it if it was a big buck. If you've ever watched steelies spawn, the big bucks will mate with hens on the biggest, best spawning beds and will fight off smaller bucks who try to get in on the action. A big hatchery buck could do a lot more damage genetically than a little one.
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If every fisherman would pick up one piece of trash, we'd have cleaner rivers and more access.