1. Reason: If goldfish eats too much, it may rub the jar, because goldfish eats too much, which is prone to indigestion. When they have indigestion, they are prone to the symptoms of rubbing against the cylinder. In addition, they will also suffer from listlessness and loss of appetite.
2. Solution: Breeders can try to change a small amount of water to stimulate their rapid digestion. As long as their rubbing against the cylinder is relieved, they will not have much problem.
2. Side swimming1. Reason: Goldfish will swim slowly and swim sideways if they eat too much, because their abdomen will become bigger and their swimming will be affected.
2, Solution: Breeders need to install an oxygen pump to keep enough oxygen in the water. As long as there is enough oxygen, the pressure on their intestines will be reduced. If conditions permit, the water temperature can be raised to about 23 ℃ to speed up their digestion.
3. Lie prone on the bottom of the tank1. Reason: Goldfish may lie prone on the tank if they eat too much, because they will be lazy if they eat too much.
2. Solution: If goldfish are stuck, breeders can try to heat up and explode oxygen first, which can speed up their digestion. If it can't relieve it, breeders should try to feed some drugs that help digestion.