1. Quantity: Traditionally, the more arowana, the better the effect of making money. Generally speaking, keeping three or nine arowanas is considered the most auspicious, and nine of them are the best.
2. Color: Red is considered to be the color that can bring the most wealth. So if you have the conditions, you can choose red or red arowana to increase the lucky effect.
3. Type: When choosing arowana, you can consider some arowana varieties related to wealth, such as Qicai, Jintou, Jinlong, Red Cheek and so on. These varieties are usually considered as symbolic of making money.