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.

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 ...

ANTRIM COUNTY, Mich., (WPBN/WGTU) -- The Rusty Crayfish is raising concerns in Torch Lake.The Torch Conservation Center said the invasive species from the Ohio ...

Researcher George Merovich holds a captured specimen of the nonnative rusty crayfish near the Juniata River in central Pennsylvania. Photo by Stephanie Coster. Crawdad, crawfish, crayfish. No matter ...

Add Yahoo as a preferred source to see more of our stories on Google. Colorado wildlife officials are raising the alarm after an aggressive invasive species was discovered in the West Fork Little ...

The Colorado Division of Wildlife is urging extra caution from all those fond of a good old-fashioned crayfish boil, after discovering a particularly aggressive variety of the small crustacean in ...

Crawdad, crawfish, crayfish. No matter what you call the crustaceans, the rusty crayfish, an interloper from the Ohio River watershed, has become one of the most destructive invasive species in the ...

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 ...

The super invasive rusty crayfish, sometimes called a gladiator, has been slowly taking over several waterways in Pennsylvania. The crayfish were transported to Pennsylvania from their native range in ...