between koi carp and crucian carp 1. The difference between varieties: Koi carp belongs to Cyprinidae. Their origin is Japan. There are mainly three kinds of koi carp: white, black and red. But the golden crucian carp belongs to the crucian carp, they are also called the grass goldfish, is our country native production. There are many colors, such as red, white, black, yellow and so on.
2. Appearance difference: Although the names of koi and crucian carp are similar, their appearance and body shape are different. The first is the mouth, the mouth of the koi is downward, and the koi has a beard. The mouth of golden crucian carp is upward, without beard, but some golden crucian carp head will have sarcoma. Next is the tail, the tail of the golden crucian carp is bigger and swims more gracefully, while the tail of the golden carp is smaller. Finally is the body shape, the body shape of the koi is relatively round and fat, the body length can reach more than 50 centimeters, the body shape of the crucian carp is slender, the body length can reach 30-40 centimeters at most.
together? Koi carp and crucian carp can be raised together. Both of them have mild personality and strong adaptability. There will be no conflict when they are mixed together. Although Koi are big, they don't actively attack other fish, so breeders don't need to worry about size differences. Moreover, the courage of the golden crucian carp is relatively large, which can drive the interaction between the golden carp and its owner.
