What is the difference between crucian carp and grass carp?

Carassius auratus is flat and tall, small in size, dull in back and pale in abdomen, but it also shows different body colors due to different fish producing areas, but most of them are black and have metallic luster. You don't need to put it in your mouth. Small in scale. The body color of crucian carp is mainly gray, such as gray-black back, silver-gray belly and gray-white fins.

Crucian carp lives in fresh water, and its living standard belongs to bottom fish. Adult crucian carp is mainly plant food. Because plant feed is rich in water, there are many edible varieties and a wide range. The stems, leaves, buds and fruits of vascular weeds are the favorite food of crucian carp. Grass carp lives in the middle and lower layers of rivers and lakes and is a herbivorous fish.

Crucian carp is a kind of fish with strong adaptability, and it has strong reproductive ability all over China. It is also an excellent cultured fish and fish in China.

Grass carp is mainly distributed in the Yangtze River, Pearl River and Heilongjiang River systems in China. Grass carp in Heilongjiang River system entered the Heilongjiang River system from the river plain where Nenjiang River was connected with Liaohe River and Bohai Sea before Pliocene, and reached Xingkai Lake in the lower reaches slightly higher than Aihui and Qiqihar.