Scientists work to stop self-cloning crayfish in Burlington, Ont., pond after 1st detection in Canada
An invasive species of crayfish that reproduces by cloning itself was discovered this fall in a Burlington, Ont., pond. It was the first time the marbled crayfish has been identified in the wild in North America, and since then, a group of experts has been working to stop it from spreading.
![Scientists work to stop self-cloning crayfish in Burlington, Ont., pond after 1st detection in Canada](https://i.cbc.ca/1.7081975.1705077518!/fileImage/httpImage/image.jpeg_gen/derivatives/16x9_620/marbled-crayfish-on-land.jpeg)
![The marbled crayfish has spread throughout the world, aided by warming temperatures, biologist Premek Hamr said. A crayfish on land](https://i.cbc.ca/1.7081975.1705077518!/fileImage/httpImage/image.jpeg_gen/derivatives/16x9_620/marbled-crayfish-on-land.jpeg)
An invasive species of crayfish that reproduces by cloning itself was discovered this fall in a Burlington, Ont., pond. It was the first time the marbled crayfish has been identified in the wild in North America, and since then, a group of experts has been working to stop it from spreading.