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:When Mega-Tsunamis Drowned Mars, This Spot May Have Been Ground ZeroBlack Supermoon 2019: Month’s second New Moon arrives TONIGHT – is it visible?Yellowstone volcano: USGS reveals what would happen if Yellowstone volcano eruptedBlack hole shock: Doomed supermassive black hole trio spotted in ‘near-endless waltz’Democratic Debate Turns Ferocious Over Health CareNASA exoplanet survey: Space agency’s TESS satellite spots 'missing link' planets