. The digestion of goldfish mainly depends on the intestinal tract. Many people think that goldfish is rectum and has no stomach. But in fact, strictly speaking, goldfish have a stomach, and only one stomach. The stomach of goldfish is a small section behind the esophagus. The stomach of goldfish is very small. It basically does not have the digestive function of a normal stomach. It only has the function of storing food and squeezing food into the intestinal tract. And there is no obvious boundary between the goldfish's stomach and the goldfish's intestine, which is one of the reasons why many people think that goldfish do not have a stomach.
gastrointestinal diseases of goldfish? When goldfish eat unclean things or eat too much, bacterial infections and so on can cause gastrointestinal discomfort. Generally, when a goldfish has enteritis, careful observation will reveal that the goldfish at this time will hide in the corner of the fish tank, which is relatively dull, twitching from time to time, the abdomen will become larger, the anus will be red and swollen, the body and tail fin will be black, unwilling to eat, and the goldfish will die in serious cases.
Goldfish enteritis generally occurs in April and October, once found, need timely treatment, in the feeding of Changyanling according to every 100 kilograms of food plus 2-5 pieces of the amount of stirring evenly fed to the goldfish, feeding twice a day, until the above symptoms completely disappear and then stop medication.
