Fascinating study...and I have witnessed first hand what happens when HSB are introduced into environments with LMB present. It can be quite a massacre. One secondary point, which I would assume should be factored in, would be the time of day at which release occurs. Knowledge about the types of predators present and the preferred time of day in which predation occurs could be used, along with structural complexity and environmental habituation, to increase survival rate of stocked fish.
