May 2, 2025 / 4:18 PM MDT / CBS Colorado An aquatic nuisance species has been found for the first time in the West Fork Little Thompson River, according to Colorado Parks and Wildlife.

LARIMER COUNTY, Colo — A non-native crustacean has been discovered in the Little Thompson River for the first time. Colorado Parks and Wildlife (CPW) confirmed the presence of rusty crayfish in ...

Rusty crayfish, an aquatic nuisance and an invasive species, has been discovered in a Larimer County river south of Estes Park, according to Colorado Parks and Wildlife.

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An aquatic nuisance species has been found for the first time in the West Fork Little Thompson River, according to Colorado Parks and Wildlife. CPW said this is the first discovery of the rusty ...