In their juvenile stages, Luohan fish are still very small and exquisite. The body color of juvenile fish is relatively light, but its unique "horse coat pattern" has begun to gradually appear. As time goes by, Luohan fish also begins to enter the growth stage. Their bodies gradually become plumper, and their bodies gradually become fuller and healthier. At the same time, the colors gradually become richer. When Luohan fish reach adulthood, they have reached their largest known size. At this point, their color is very bright and even has a metallic sheen.
Adult Luohan fish generally have a towering forehead, a domineering body shape and beautiful scales, so they are deeply loved by people. Luohan fish likes to live alone and has a strong sense of territory. But during the breeding process, they are more like relatives and can interact with people. This is also a reason why people like it.