Matter: This Mutant Crayfish Clones Itself, and It’s Taking Over Europe Every marbled crayfish is a female clone. The population is exploding in Europe, but the species seems to have originated in the American Southeast. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Revealed: THIS is how far our Ice Age ancestors travelled in mission to populate the globeTrump’s Proposed Budget Cuts Trouble Bioterrorism ExpertsGlobal warming is a 'made up concept' and 'completely untrue', says one in seven BritonsDesigner virus discovered which could KILL cancer by giving immune system boostTrump Said to Seek More Time to Decide on Paris Climate AccordsEXCLUSIVE: Human lifespan to be increased by 40 PER CENT, says leading scientist