How an Army of Crayfish Clones Took Over Europe

The video discusses the marbled crayfish, a species discovered in the 1990s that reproduces asexually through parthenogenesis. Originating from a genetic mutation, these crayfish have spread rapidly across Europe, Africa, and Japan, posing a threat to native species. Efforts to control their population include bans on their sale, but challenges remain due to their ability to reproduce from a single individual. The video highlights the ecological impact and regulatory measures taken to manage this invasive species.

What are some reasons for the spread of the marbled crayfish beyond aquariums?

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What actions have been taken by the European Union and some US states regarding the marbled crayfish?

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