The fish of Tianjin Oriental Dragon is good. The development prospect of arowana is still very good. Arowana's penetration into the aquarium market in China was not achieved overnight, which included the precipitation of time and culture. This means that selling arowana needs to sell history, and selling culture can sell profits. The geomantic scripture about arowana is not well known, and its mystery will make people who come into contact with arowana for the first time have great interest.