An interesting read for sure.
I never gave it much thought, I just thought that steelhead migrated upstream and spawned. But if you think about it, salmon die after spawning but steelhead don't...
Lo the angler. He riseth in the early morning and upsetteth the whole household. Mighty are his preparations. He goeth forth with great hope in his heart and when the day is far spent, he returneth, smelling of strong drink, and the truth is not in him.