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Native Trout Threatened by Climate Change and Invasive Species Active

By Cooperative Research Units July 7, 2021

The Rio Grande cutthroat trout is a cultural icon in Colorado and New Mexico, but its populations are threatened. After one hundred years of human population growth, climate change, and species invasions, the fish now occupies only 12% of its historic range. 

  • Overview

    The Rio Grande cutthroat trout is a cultural icon in Colorado and New Mexico, but its populations are threatened. After one hundred years of human population growth, climate change, and species invasions, the fish now occupies only 12% of its historic range.