Researchers have made a significant discovery, finding carcasses of a certain invasive species in a pond. These creatures are known to reproduce quickly and cause damage to aquatic plants and shorelines. They can be identified by their size, color, and distinctive markings. If encountered, the recommended course of action is to collect and freeze them or take a photograph and report the details to the relevant authorities.

Further information is available on what to do if one of these creatures is spotted. It is also known that possessing or selling them live is against the law in Michigan.

Details of the discovery and the species' characteristics are available from the Michigan Department of Natural Resources.