Saturday, October 24, 2020
Escaped self-cloning mutant crayfish created in experimental breeding programmes have invaded a Belgian cemetery. Hundreds of the duplicating crustaceans, which can dig down to up to a metre and are always female, pose a deadly threat to local biodiversity after colonising a historic Antwerp graveyard. ... In 2018 scientists established the global marbled crayfish population was descended from a single female and didn't need males to reproduce. ... The crayfish has spread rapidly through Africa and Europe and has been compared to the tribbles, which are a fictional alien species in Star Trek that reproduces extremely quickly.
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