How long did Luzhen koi fish live?

Forty years. The carp in Lulun Town is a kind of fish with a long life. Under normal circumstances, carp can live for at least 40 years. Lulunzhen carp is a famous cold-water fish in North America, and its adult fish is about 8cm. This fish is similar in shape to most Cyprinidae fish, but its color is bright and beautiful. Its body color has the color distribution of olive silver. During the breeding period, the side of the male fish has a blue luster. Except dorsal fin, every fin will turn bright red, and there will be a white idol on the head. Under the embellishment of colors and details, Lulu rare carp is particularly outstanding in appearance, and its ornamental value in fish tanks is more attractive than that of some elegant small fish. Because of its fast swimming speed, it is also called rainbow elf.