1, red saury, as a variety of artificial multi-zone culture, has stronger adaptability than wild saury. Generally speaking, it is suitable for water temperature of 23-28℃, but it can still survive around 18℃ or even below 15℃. In terms of hardness, the living environment of wild swordfish is harder, while red swordfish can adapt to soft water below dH8.

2. However, due to excessive improvement and rampant inbreeding, the swordfish is not as good as it used to be. Because the red color on the body surface is getting heavier and heavier, the scales are getting rougher and rougher. This kind of body surface is easily infected by bacteria and parasites, and white hair and leukoplakia may break out if you are not careful. And the probability of white film on the body is very high.

3. Larvae is the best choice when choosing red sword, and 3- 125px has the strongest adaptability. It's best to keep it in a large aquarium. The red sword is the largest in swordfish, and the excellent female fish can grow to 375px, so a large water body is necessary.

4, and the water quality of large water bodies is stable, which can reduce the chance of illness. It is important to change water frequently and keep the water fresh. In the old water with high nitrate content, the red sword is very easy to get sick. It is necessary to maintain high dissolved oxygen, so that fish will develop resistance under mild water flow. Similarly, the red sword is also good at jumping, so cover the aquarium.