Colorado wildlife officials are raising the alarm after an aggressive invasive species was discovered in the West Fork Little Thompson River, the Cool Down reported. The culprit? The rusty crayfish—a ...

Rusty crayfish have been found in the Upper Colorado River Basin for the first time. That's according to Colorado Parks and Wildlife, which says the discovery in Grand County of the invasive species ...

ARPIN – Calling someone a "rusty wrangler" might not sound like a compliment, but for children at North Wood County Park, it's a sought-after designation this summer. Rusty crayfish are an invasive ...

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 the ...

There are underwater invaders in local streams and rivers and Kane County Forest Preserve District is asking for your help to find them. The culprit is the rusty crayfish, a tiny aquatic creature that ...

This invader is eating through Colorado’s rivers, and it could wipe out native fish and plants if left unchecked. Colorado wildlife officials are raising the alarm after an aggressive invasive species ...