Female Mutant Crayfish Clones have Landed, but Government Recommends Against Pet Ownership

Female mutant crayfish clones are being sold in Canada, but the government doesn’t think you should own them as pets.

According to a new study published in Nature, Ecology and Evolution, the all-female marbled crayfish reproduces by cloning at a rapid rate, earning it comparisons to the fictional Tribble alien-species on Star Trek.

“If you have one animal, essentially, three months later, you will have 200 or 300,” Wolfgang Stein, a neurophysiologist at Illinois State University and one of the researchers on the study, told CBC’s As It Happens.  Click on the following paragraph to access the full story.

“Based on what is known about the reproductive behaviour of the marbled crayfish, we do not recommend Canadians keep these animals as pets,” said Becky Cudmore, regional manager with Fisheries and Ocean’s aquatic invasive species program.  “Human release of animals is one of the ways invasive species are introduced and become established in new areas.”


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