The longest life span of the domesticated zebra angelfish is about eight or nine years, and the average life span is four to five years. The longevity of the zebra angelfish is affected by two factors. On the one hand, congenital genes, parent genes are excellent, and its life span is naturally long. On the other hand, the acquired maintenance, in the case of normal maintenance, there is a suitable water temperature, clean water quality, feeding the appropriate feed, it can also live for a long time. However, individual fish bought from the market may have a certain age, so they can not live for 4-5 years after buying home.
Under normal feeding conditions, the zebra angelfish can grow to about 15 centimeters, usually between 10 and 15 centimeters. If you want it to grow better and more beautiful, you should create a suitable environment for its growth. Firstly, the water temperature is controlled between 25 and 30 deg C, and 28 deg C is the best. Secondly, the water quality should be weakly acidic, PH value between 6-7.5, hardness of 5-20.
It is necessary to keep the water clean on a daily basis. Change the water at least once a week, and one third or one quarter of the water can be changed each time. Finally, in terms of feeding, you can feed more suitable feed, such as mealworms, dry feed, beef heart hamburgers and so on. Feeding should pay attention to nutrition, the amount of feeding can not be too much, each time about five to ten minutes to eat.