Add Yahoo as a preferred source to see more of our stories on Google. The super invasive rusty crayfish, sometimes called a gladiator, has been slowly taking over several waterways in Pennsylvania.

What’s rusty and invasive to our waters? The rusty crayfish! Join the Forest Preserve District of Kane County for the seventh annual Rusty Rodeo on Saturday, Aug. 9, from 10 a.m. to noon. It’s time to ...

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. An invasive species of ...

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 ...

You are able to gift 5 more articles this month. Anyone can access the link you share with no account required. Learn more. Rangeley Lakes Heritage Trust plans to host its first Invasive Rusty ...

You are able to gift 5 more articles this month. Anyone can access the link you share with no account required. Learn more. Hanna Pitkin, left, and Mae Derrig and Strawberry the dog collect rusty ...

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 ...

Nearly 100 volunteers waded into the Fox River and a nearby creek in an effort to remove an invasive species of crayfish during the third-annual Rusty Rodeo at Glenwood Park Forest Preserve in Batavia ...

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 ...