The Ritulis Roach is a small fish, often reaching no more than about 14 inches; maximum length is about 20 inches. A fish of the family Cyprinidae or commonly called Carp family. It is native to most of Europe and Asia. 

The common roach is very adaptable and can be found in any freshwater ecosystem, ranging from small ponds to the largest rivers and lakes. It feeds at any depth, although its preferred food sources tend to be in shallower water.  It tolerates organic pollution and is on of the last species to disappear in polluted waters; it is also often the most numerous cyprinid in nutrient-poor waters. It also tolerates brackish water. Roach survive in temperatures from close to freezing, and up to around 31 degree Celsius (88 degrees Fahrenheit).