. Different species of goldfish need different water levels. They have a wide variety of species and different viewing angles. From the viewing point of view, they can be divided into overlooking and level viewing. Generally, the water level required by the goldfish overlooking will be lower, about 10-25 centimeters. But there are many kinds of goldfish with different sizes, so they need different water levels. Normally, the water level of Liujin goldfish needs to be higher, and the best height can reach 60-80 centimeters. Thai lion goldfish will have a lower requirement for water level, about 40-50 cm. Butterfly-tailed goldfish have strong adaptability and can move freely when the water level is between 10 and 20 centimeters.
the size of the goldfish tank, which depends on the number and size of the goldfish raised by the breeder. If it is a small goldfish within 10 centimeters, you can choose a tank of 30 centimeters. If you want to raise more than one, you can choose a tank of 40-60 cm. If it is a large adult goldfish, one needs a tank of more than 60 centimeters. If you want to raise more than one, you need to prepare a larger tank. Because goldfish are larger as adults, breeders need to prepare larger tanks to ensure adequate space. Although goldfish do not need much oxygen, if the breeding density is too high, they still need to install oxygen pumps to ensure that the dissolved oxygen in the water is sufficient.
