1. Reason: Small goldfish may not eat because the water temperature is too low. Although they are cold water fish, the low water temperature will also affect their appetite and activity.

2. Treatment: The breeder needs to install a heating rod to keep the water temperature between 18-23 ℃. When they adapt to the new water temperature, they can be fed with food.

1. Reason: Small goldfish don't eat because the food they feed doesn't meet the requirements of small goldfish. They are small in size and can eat few kinds of food. If the breeder feeds them too much food or they don't like it, they will not eat.

2. Treatment: Breeders need to change other foods to feed small goldfish, such as shrimp eggs, water fleas, water earthworms, etc.

1. Reason: Small goldfish don't eat, and it may be that too much food is fed, which leads to indigestion. They are gluttonous. If the breeder doesn't control the feeding amount, they will easily eat.

2. Treatment: Breeders need to raise the water temperature to about 20-23 ℃ to speed up their metabolism. Feed some drugs to help digestion, which can relieve indigestion.

1. Reason: Small goldfish don't eat, which may be caused by not adapting to the new environment. When the environment changes greatly, it will affect their appetite.

2. Treatment: Breeders need to keep their surroundings stable, so that they can adapt to the new environment more quickly. Then rest for a while, and after they adapt to the environment, try to feed food.