https://www.thestar.com/calgary/2019/10/14/albertas-official-fish-is-listed-as-threatened-heres-why-the-rest-of-the-bull-trouts-ecosystem-is-in-jeopardy.html
This has now become a Federal issue. I imagine soon there will no longer be any angling for these cool predators in the southern streams as seen in Montana. Since people can't seem to stop/limit themselves, the government will have to set some regulation boundaries. They have dragged their feet long enough with protection....let's see some new regs!