October 15, 2018

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New crayfish that doesn’t need males to mate becomes all-powerful (BBC)

New crayfish that doesn’t need males to mate becomes all-powerful (BBC)

A new species of all-female crayfish able to reproduce without males is multiplying rapidly and invading ecosystems across the world. A new study found that the marbled crayfish is descended from a single female with a mutation that allows it to reproduce by itself.

The self-cloning creatures are for sale in Canada, despite a warning against keeping the pests as pets. The ten-legged mutant is already banned by the European Union.

Procambarus virginalis did not exist three decades ago but they have now been found in the wild in Japan, Madagascar, Sweden and the US. Read more

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