After 20M fish were stocked, 2026 crews treated 14.3 miles to restore threatened greenback trout

In a significant move, Rocky Mountain National Park is eradicating non-native fish species that have invaded the ecosystem for more than eighty years. These fish have severely disrupted the balance of aquatic habitats. Teams are utilizing rotenone to treat streams connected to the Grand Ditch, focusing on fostering the endangered greenback cutthroat trout's habitat.