The traffic light fish has a gentle and timid temperament, likes to swim in groups, is a typical bottom fish, the requirements of the breeding environment is relatively high, the life of the appropriate water temperature of 22-24 degrees Celsius, the feeding water should be kept old and clear, less water change, the environment should be quiet, to avoid direct light, aquarium tanks should be planted with more narrow-leafed aquatic grasses, the bottom of the tank paved with a dark-colored substrate. Other bait is not very demanding, generally fresh bait and work bait can be fed. The life span of the red and green lamprey is only 2-3 years. The attention is to save the water once in 3-5 days, and the temperature difference of the water temperature should be within 3 degrees when changing the water, greater than 3 degrees or less than 3 degrees is easy to die due to cold, and death. Take your time, you will raise a good, and finally wish you success in raising fish.