How big a fish is for novice arowana to buy depends on their own economic strength and the size of the fish tank. Because the bigger the silver arowana, the less difficult it is to raise, but the bigger the arowana, the higher the price. Generally speaking, novices can try to breed silver arowana about 10 cm. Because the silver arowana grows to about 10 cm, it has a certain adaptability to the external environment. In addition, the price of silver arowana with a size of 10 cm is not too expensive, which is acceptable to most breeders, so novices can buy silver arowana with a size of about 10 cm to breed.

1. Constant water temperature: When novices breed Arowana, they need to keep the water temperature between 28-32 ℃. Because the juvenile silver arowana has poor adaptability to the environment, and needs a higher water temperature to live more comfortably. The breeder can give them a heating rod to keep the water temperature constant.

2. Clean water quality: Beginners should pay attention to water quality when raising silver arowana. They are sensitive to changes in water quality, and breeders need to keep the water clean and fresh, so that they can live more comfortably. If conditions permit, it is best to install a filter to slow down the deterioration of water quality.

3. Reasonable feeding: Silver Arowana is a carnivorous fish, and they prefer animal feed. When artificially cultured, they can be fed with some bumper shrimp, red worms, yellow mealworms, bread worms, cockroaches, tadpoles, lean meat, animal viscera and so on.