Add Yahoo as a preferred source to see more of our stories on Google. The Okanagan crayfish (Pacifastacus okanaganensis) from the British Columbia Interior and Washington state has a new description.

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. New data shows increase in crayfish species after years of near-extinction — here's what the results could indicate Good news out ...

Researcher Christian Lukhaup calls the new crayfish species Cherax pulcher, and pushes for a conservation plan to help preserve the amazing creature. A German researcher has identified a new species ...

Museum specimens reveal North America’s largest crayfish and suggest most giant species reach a similar upper body size.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Populations of rusty crayfish, an invasive species in the lakes of ...

A pair of Missouri crayfish species were recently granted Endangered Species Act protection, according to the U.S. Fish and Wildlife Service. The Big Creek crayfish and the St. Francis River crayfish ...

The study identifies the Okanagan and Misfortunate Crayfish as two new species, adding to a list of over 640 global crayfish species. The Signal Crayfish is native to the Pacific Northwest, but most ...

When Caitlin Bloomer wrestled the massive Crawzilla crawdad—yes, that's its actual common name—out of the muck during a biological survey in Kentucky, she was convinced it was the largest crayfish ...

In a new study conducted by Illinois Natural History Survey, scientists discovered by chance that the virile crayfish species, faxonius virilis, are interbreeding with native crayfish in the Current ...

SPRINGFIELD, Ill. (KFVS) - The Illinois Department of Natural Resources is reminding the public that importing and possessing live red swamp crayfish, also known as crawfish, is illegal in Illinois.