Blue Arowana generally does not eat small fish, because although they are aggressive, they are not particularly fierce, so they will not eat small fish under normal breeding. However, when food is scarce, they will take the initiative to chase the small fish they can swallow. Because big fish eat small fish, it is their nature, especially when the blue Arowana is very hungry. If breeders want to avoid eating small fish, they must ensure that they have enough food.

In addition, the blue arowana will become irritable after estrus, and they will attack not only small fish, but also similar fish. Many male Arowana will chase the female to bite after estrus, which is quite normal. However, if the bite is serious, it is necessary to separate them.

Arowana prefers to eat some foods such as shrimp, red worms, nematodes, water fleas and silk earthworms in good years. Because these foods contain more protein and fat, they can meet most of the nutrients needed for their daily development. In addition, breeders can also choose special feeds for arowana, because these feeds are customized according to their habits, which are more in line with their appetites and can also promote their growth and development.