Frank Lyko, a biologist at the German Cancer Research Center in Heidelberg, studies the 6-inch-long marbled crawfish. Finding specimens is easy: Lyko can buy the crawfish at pet stores in Germany, or ...

Interesting, albeit worrisome. In the long run, asexual reproduction could leave it more vulnerable to some disease/parasite outbreak that could wipe out the entire new species. But in the meantime, ...

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"Attack of the mutant crawfish" sounds like a B-movie film cobbled together to grab Louisiana tax credits. But in Europe, that horror is real. Marble crawfish, reports the New York Times, have ...

Self-cloning mutant crayfish have taken over a cemetery in Belgium. Hundreds of the marbled crayfish, which are always female, have invaded the historic Schoonselhof cemetery in Antwerp, the Brussels ...

According to National Geographic, the asexual creatures all have one female ancestor: the slough crayfish, a species often found in Georgia and Florida. It all started in 1995, when a slough crayfish ...

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From a stream in Florida to a pet shop in Germany and on to Japan and Madagascar.