? The parrot fish has a stomach, but not all fish have a stomach. Digestion of fish can be divided into two categories:
1. Stomach digestion: Generally speaking, carnivorous fish have stomachs, but their intestines are relatively short. They will swallow food and send it to the stomach for digestion. A large number of digestive enzymes in the stomach will participate in the decomposition of food. Useful substances will be absorbed, and those that are not will be excreted as feces. Normally, 80% of food can be absorbed.
2. Intestinal digestion: Fish with plant feed do not have a stomach, but have a relatively long intestinal tract, such as koi, goldfish, etc. Their intestines can promote the digestion and absorption of food, and their digestive ability is stronger than that of fish with stomach. But it is precisely because they do not have a stomach, so they will not feel full, when they meet the food they like, they will eat all the time, so it is easy to support them, thus causing indigestion or enteritis.
to feed the parrot fish at a time? Each parrot fish has a different amount of food, but when feeding, the food they feed each time can be guaranteed to be eaten within five minutes. Be careful not to feed too much, because the remaining food residues can easily pollute the water quality and cause them to get sick.