Generally, Lillian's life span is about 2-3 years. In a good aquarium environment, Lillian's life span can exceed 5 years.
The reason is that Lillian is small and cheap, and few people will pay attention to its life. Many people don't keep small fish for a long time.
After 10 months of feeding, the body length of Lanzhou lily can reach more than 6cm, and the gonads begin to mature. The second-instar fish with a body length of 6-8cm has the highest reproductive success rate, and individuals with a body length of more than 10cm may have passed puberty and the reproductive success rate is low.