The red arowana fry in the picture are still very small, so they should not be fed insects. Instead, they should be fed: mealworms, small shelled river shrimps, etc.

Red arowana feed according to age group:

Red arowana fry below 10 cm should be fed: mealworms.

Red Arowana about 15 cm can be fed: river shrimp, small shrimp (shelled), small loach, and small fish larvae.

Red arowanas over 20 cm in length can be fed: river shrimps, shrimps, loaches, small fish, various insects, cockroaches, and centipedes.

In addition to the above feed, adult red dragons over 40 cm can also be fed larger freshwater fish, frogs, meat, etc.