Red carp is an individual phenomenon in carp, and its variety is purified. Koi fish is an artificial carp.

Hybrid. For example, Yao Ming will give birth to a child that is red carp, although it is tall, but it is still from China. O 'Neill is begging the wife of China women's basketball team to give birth to a child that is also tall, but the half-blood is koi fish.