It has wide body, head is almost circular and flat, big cane, small lower jaw and small eyes. Its color is olive-brown on dorsal side, with silver sides and belly color is white. Scales are large with dark edging. These are river fish and have desire to move from still waters into flowing waters. This fish is herbivorous in nature and feeds upon various water weed species. It is a fish of large turbid rivers and associated floodplain lakes. It has wide degree of temperature tolerance i.e. 0-40°C.Its color is olive-brown on dorsal side, sides are silver and belly is white colored. These species has longer life duration. Grass is popular in various countries because these offer a biological alternative to aquatic weed control. In India this fish is prepared to lay eggs in the month of May and June.Depending upon their per kg weight it gives 0.80-1.00kg eggs. This breed eats 40-70% of feed according to their weight.Approximately 24000 silver carp fish can be reared in per acre space. If the size of fingerling at the time of stocking is 13-15cm in length. Then depending upon the water and other conditions, it attains the weight of 0.5-1.5kg in 8-10months. At the time of harvesting the size of carp is 1-1.5kg in ponds and 1.5-2.5kg in cages.