1. how many centimeters does the Lanshou goldfish take off? In fact, the hair of

the Lanshou goldfish does not depend on how long it grows, but on its genes and nutrition. If the conditions are not met, the Lanshou goldfish will not grow any longer. Lanshou goldfish usually grow their hair when they are seven to nine months old, that is, five to seven centimeters long. At this time, attention should be paid to strengthening nutrition, feeding more high-protein foods such as red worms and mealworms, and the probability of hair will be greater. Use new water and green moss in summer and green water in winter, which is also helpful for hair. When

choosing Lanshou goldfish, you can select individuals with good appearance through the following characteristics:

1. When looking down, Lanshou goldfish can keep balanced swimming and slender.

2. The ratio of head, body and tail is about 1 to 3. The back is smooth and curved, looking like an arch bridge from the side, which is the best shape.

3, see head tumour, general head tumour is meager went. Look at the pelvic fins again, not individuals with colorless fins. Finally, look at the tail core, it must be positive.

3. Incubation and maintenance methods

of Lanshou fish eggs The eggs laid by Lanshou goldfish need to be hatched for 4-7 days before the young fish can be hatched. During the incubation period, the water temperature should be well controlled, the temperature change should not exceed 2 C, and the water temperature should not be lower than 15 C. If the water temperature is higher, the hatching speed will be faster. Do not feed the newly hatched fish. After 2 days, you can feed the egg yolk 2 to 3 times a day. When the small fish grow to 1 cm long, they can be fed normally.