It is a fish species that lives in freshwater rivers in Europe and belongs to the Cyprinidae family. Known for its unique tentacles, which are located on both sides of the fish's mouth and are used to detect food and sense the surrounding environment. The body is usually elongated, with flattened sides and colors ranging from olive green to dark brown. The abdomen is usually silver white. Mainly inhabiting clear and flowing rivers, especially in areas with gravel or sandy bottoms. It is a benthic fish that feeds on benthic invertebrates, including insect larvae, crustaceans, and mollusks. Widely distributed in Europe, it has high requirements for water quality. It is also a target fish species for fishing enthusiasts.