Bream and Roach family
The common bream, freshwater bream, bream, bronze bream (Abramis brama), is a European species of freshwater fish in the family Cyprinidae. It is now considered to be the only species in the genus Abramis. The common bream can easily be confused with the silver or white bream (Blicca bjoerkna), in particular at the younger stages. The most reliable method of distinguishing these species is by counting the scales in a straight line downwards from the first ray of the dorsal fin to the lateral line. Silver bream have fewer than 10 rows of scales, while common bream have 11 or more. At the adult stage the reddish tint of the pectoral fin of the silver bream is diagnostic. Like other Cyprinidae, common bream can easily hybridise with other species, and hybrids with roach (Rutilus rutilus) can be very difficult to distinguish from pure-bred bream. Rutilus is a genus of fish in the family Cyprinidae found in Eurasia. This genus is a widely distributed lineage of cyprinids and ranges from West Europe to East Siberia.