1. Nine-cornered arowana has strong adaptability. Rapid changes in water quality will affect appetite. When changing part of the water, only add neutral new water. The water temperature suitable for adult fish is 20 to 25 degrees Celsius. Lowering the water temperature to 20 degrees Celsius will not cause harm to the arowana. The water temperature during the juvenile period is maintained at 25 to 26 degrees Celsius, and slightly higher temperatures are more suitable for growth.
2. Nine-cornered arowana is not picky about food. It can be fed red worms, earthworms, etc. when it is young. When it is older, it can be fed lepidopterus, granular food, or fish meat, fish intestines, fish liver, etc.; when it grows up, it can be fed After the fish matures, feed them goldfish, crucian carp, small shrimp or fish fillets. In order to facilitate feeding, in addition to feeding raw bait, it is best to feed some artificial feed.
3. Nine-horned dragon is a kind of dinosaur fish with a large appetite. Once the bait fed is not enough, it will harm other fish. When mixed feeding, it is best to adopt a dispersed feeding method. Large cyprinids, cichlids, catfish and other fish can be mixed with dinosaur fish. It should be noted that lungfish, an ancient fish, cannot be mixed with dinosaur fish.