In 1979, nonnative trout pushed Arizona’s Apache trout into 30 stream miles; today, 30 populations occupy 175 miles, and it’s off the endangered list
Arizona’s state fish grew from 14 known populations to 30.
Here is how barriers and careful removal of nonnative trout brought it back.
5News aggregated this summary from the outlet’s public feed. The full article, with all the context, is on www.hindustantimes.com — the content belongs to Hindustan Times - World.