, the goldfish is a fish, the goldfish conforms to the fish class biology basic characteristic, has an atrium and a ventricle, and the blood is the single circulation. Goldfish originated in China and is one of the ancient ornamental fish species in China. They are obtained by the mutation of the cells that control the pigment of crucian carp. They are red and yellow in color and are called goldfish. They have very beautiful meanings, so many people like to raise them at home.
? Goldfish is suitable for polyculture. First of all, from the temperament point of view, goldfish is a kind of gentle fish, they do not like to fight, if raised together, they will not fight, so they can be raised with many gentle fish. In terms of living environment, goldfish is a kind of freshwater fish with strong adaptability, which can survive normally at 0-30 ° C. Therefore, it can be kept with many cold-water fish.
Of course, you can also consider putting some flexible small fish into the water, so that goldfish can hardly eat them. And in the process of chasing them, it can exercise the body of goldfish and make them grow better. When polyculturing goldfish and other fish, attention should be paid to the feeding density. This is because the oxygen consumption of goldfish is high, if the number of fish in the tank is too large or the tank is too small, the oxygen in the water will be insufficient, causing them to suffocate.
