BIOLOGICAL AND ECOLOGICAL PECULIARITIES OF THE SILVER CRUCIAN CARP CARASSIUS AURATUS GIBELIO (BLOCH, 1782) OF THE NAKHICHЕVAN RESERVOIR

As a result of collective azerbaidzan?iran construction of hydrostation “Araz” there have been take place ecological conditions alter of the Nakhichivan reservoir, its insor plant growthing. That factor have furthered on areal expansion and quantaty growth of the silver crucian carp in this reservoir. On the materials of years 1996?2006 have been represented the data on distribution and population number of this subspecies. There have been analyzed its biological features such as growth and fatting, fecundity etc.