What was thought to be extinct was the Pyramid Lake strain of Lahontan Cutthroat Trout.
Cool story and fish, if I ever catch up to my ass and find some time on my hands at the right time of year, I may hafta take a drive with a ladder strapped to the roof of my truck. I could just see it now at the Coutts crossing, But Sir I'm just goin' down to fish!