Lanshou goldfish to gain weight when fed with red worms, because they prefer to eat animal feeds such as red worms, and red worms contain more protein and fat. If fed in large quantities, they can gain weight quickly. Lanshou goldfish is different from other fish in size, and it needs to be round to be more ornamental, so many people will feed more animal feed to make their size rounder.

If Lanshou goldfish want to gain weight quickly, it is necessary to ensure sufficient food, and the breeder can feed it several times in a small amount. Feed 4-5 times a day until 5-60% full each time. This will not support them, but also make them eat more. You can also choose more kinds of food to feed, so as to avoid the situation of single nutrition and eating habits. The animal feed suitable for feeding Lanshou goldfish is lean meat, animal viscera, bumper shrimp, Daphnia, bread worm, Tenebrio molitor and so on.

In addition to feeding, it is best for breeders to raise the water temperature to 22-26 ℃ and keep the water temperature constant. Because in this temperature range, their appetite and activity are the highest.

You can also give them regular sunshine to strengthen their physique, which can also promote their gastrointestinal peristalsis and accelerate their metabolism.