Mutant, all-female crayfish spreading rapidly through Europe can clone itself

Genome study finds the invasive clonal freshwater crayfish is descended from a single female and reproduces without malesA voracious pest that mutated in a German aquarium and is marching around the world without the need for sexual reproduction may sound like science fiction, but a genetic study has revealed that a rapidly spreading all-female army of crayfish is descended from a single female and reproduces without any males.The clonal freshwater crayfish is regarded as an invasive species whi