It is better to mix black dragonfish with blue shark, emperor three, African ten, golden pineapple, oriental knife, crown six, and Thai crucian carp.

Arowana is a large tropical It is very strong, so you can't choose small fish, otherwise it will become the bait for black arowana and swallow it into the belly of the fish. When choosing black arowana polyculture fish, you can start with medium and large fish, and the mixing efficiency is high. Secondly, the feeding conditions need to be consistent, such as the same water quality conditions and water quality requirements.