Populations of rusty crayfish, an invasive species in the lakes of Minnesota and Wisconsin, have seen a steady decline in some regions—and, for once, humans aren't responsible. A study published in ...

The Wyoming Game and Fish Department is asking the public to be on the lookout for the rusty crayfish, an aquatic invasive species that’s turned up in the Laramie River watershed. Anyone who finds one ...

Colorado Parks and Wildlife announces the discovery of rusty crayfish in Lake Granby, south of Grand Lake, Colorado. Multiple crayfish were found at Lake Granby during routine Aquatic Nuisance Species ...

These crayfish are larger, more aggressive, and reproduce more quickly than native species, leading them to dominate ecosystems and disrupt food webs. Rusty crayfish have a significant impact on ...

Researchers trap rusty crayfish to test ways to remove the invasive species. Researchers trap rusty crayfish at Tofte Lake to develop methods for removing the invasive species from northern waters ...

Introduced crayfish are wiping out native species in North America, which has three-quarters of the crayfish species worldwide. New research provides the first evidence that introduced crayfish are ...