1, water temperature: Lanshou goldfish fry stage is relatively fragile, and breeders need to keep the water temperature between 20-26 ℃ if they want to grow up healthily. If conditions permit, you can use a heating rod to keep the temperature constant, so as to avoid temperature difference.

2. Water quality: The fry of Lanshou goldfish have high requirements on water quality. Breeders need to control the PH value between 6.5 and 7.0 and keep the water clean in order to make them grow better. Usually, water can be changed once every 2-3 days, and the amount of water changed each time can be controlled at a quarter of the total amount of water.

3. Feeding: Lanshou golden fish fry are in the golden age of growth and development, and breeders need to feed more animal feed to ensure that they can grow up faster. At ordinary times, you can feed some good-year shrimp, red worms, silk earthworms, water fleas and other foods, which can be fed 3-4 times a day, and each time you can feed 80% full.

4, Space: Although 3 cm Lanshou goldfish don't need much space, as they grow and develop, breeders need to change their fish tanks according to their size, so as to make them grow bigger.

If Lanshou goldfish want to develop head tumor, it is necessary to feed a large amount of high nutrition food, so that they can have enough nutrition to develop head tumor. It is also necessary to keep the water temperature and quality stable to avoid other stress reactions. In addition, we should pay attention to observe the state of Lanshou goldfish to avoid affecting the development of head tumor due to illness.