Genus Rutilus refers to a group of freshwater fish belonging to the family cyprinidae. Other names for this fish include roach, common roach, European roach and silver roach. The fish have a flat and broad body, with silvery scales and a reddish-tinged tail. They are found in rivers, lakes and ponds in Europe and Asia, and are commonly used for sport fishing. In addition to their varied names, Rutilus species can be distinguished by slight morphological differences, such as the number of lateral scales and the shape of the mouth. Regardless of the name used, Rutilus species remain an important part of freshwater ecosystems and a popular target for anglers.