Carp (the wild Danubian form - sazan) occurs in tributaries of the Mediterranean, Black, Caspian, and Aral Seas. It inhabits slighlty - to - medium flowing rivers in Slovak it occured in the rivers Danube and Tisa and also in the lower parts of their larger tributaries. Thanks to Ancient Romans, who started to grow carps in special ponds, the Danubian carps spread to new aquatoriums. More than one thousand years of carp culture resulted in the rise of a newpond carp form, which differs from the original wild carp by deeper body and ability to survivre in stagnant waters. The...