Wednesday, February 07, 2018

Mutant Crayfish Clones Are Taking Over the World

The marbled crayfish looks much like any other freshwater crustacean. It has two claws, ten legs, and an attractive blue-brown marbled shell. Yet this six-inch creature, found in streams and lakes around the world, is far more sinister than you might expect. ... There was something very strange about these crayfish. They were all female, and they all laid hundreds of eggs without mating. These eggs, in turn, hatched into hundreds more females -- with each one growing up fully able to reproduce by herself. In 2003, scientists sequenced their DNA and confirmed what many owners already believed to be the case: Each baby crayfish was a clone of its mother, and they were filling Europe's fishtanks at alarming speed.

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Just 25 years ago, the marbled crayfish did not exist at all. Now, they can be found in the wild by the millions in Germany, the Czech Republic, Hungary, Croatia, the Ukraine, Japan, and Madagascar.

Comments

An asexual creature!

#1 | Posted by GOnoles92 at 2018-02-07 09:36 PM

We need to send a few cajuns to Europe to show them how to cook them

#2 | Posted by jamesgelliott at 2018-02-08 04:58 AM

#2

Yeah. It seems this might be a viable source of protein for regions where protein is scarce...assuming they've not been rendered inedible as a result of their mutation.

#3 | Posted by madbomber at 2018-02-08 07:30 AM

I wonder if we'll look back on this with a completely different perspective and realize that what we're seeing now pronostigates an outcome that we won't see as favorable?

#4 | Posted by ABlock at 2018-02-08 03:32 PM

Easy solution.

Kill and eat them all.

#5 | Posted by Tor at 2018-02-08 06:18 PM

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