The normal life span of neon fish is 1-2 years, and neon fish is also called red-lotus lantern fish and traffic light fish. It is 3-4 cm long, slim and beautiful in color. The green line on the upper part of the fish sometimes appears blue due to different light angles, which is very harmonious with the red line on the lower part of the fish. Fish are timid, often swim in a quiet environment, like to eat live Daphnia, and it is easy to raise.