For decades, the signal crayfish has been an ecological troublemaker. It is invasive and widespread across Europe, Asia, and parts of the United States. Recently, researchers at the University of ...

Add Yahoo as a preferred source to see more of our stories on Google. CHAMPAIGN-URBANA, Ill. (WCIA) — University of Illinois researchers studying an invasive species of crayfish recently made a unique ...

In this week’s segment of “North Dakota Outdoors,” host Mike Anderson tells us about the crayfish, an invertebrate that lives at the bottom of lakes and can also pinch when in defense mode. Joining ...

Researchers recently discovered two new crayfish species: the Okanagan crayfish and the misfortunate crayfish (Pacifastacus malheurensis). Because both species were previously thought to be signal ...

These crayfish aren’t for eating. But they have won awards. To be more exact, efforts to conserve them have. You’ve likely never heard of the Jefferson County Crayfish before, but they were recently ...