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Can fish fart? Under what circumstances can fish fart

Fish fart. Some fish living in low dissolved oxygen water will evolve the ability to breathe with their intestines, which allows them to breathe on the water surface when they are short of oxygen. When the gas goes to the digestive tract, it will complete the gas exchange, so as to discharge the waste gas from the anus, that is, farting. In addition, there is also a case of farting, that is, when fish get gastrointestinal disease, the gas produced by intestinal flora will also be discharged. 1、 Can you fart? Fish can fart. Because some fish live in an environment with low dissolved oxygen, they have evolved the ability to breathe with their intestines and can obtain oxygen from the air. Press oxygen into the digestive tract, where gas is exchanged, and the waste gas will be discharged from its mouth or anus, so that it can fart. In addition, if the fish is diseased due to intestinal flora, some gas will be discharged. 2、 Strange fish 1. Fish that can emit light: there are generally two reasons for fish to emit light. The first is that they are parasitized by luminescent bacteria, such as hairtail and bibcock fish in the southeast coastal areas of China, which will emit light after being parasitized. The second is that the fish itself has light-emitting organs, such as candlelight fish, which has light-emitting devices on its abdomen and sides. In the deep sea, there is also a bald fish, whose head is flat and covered by a large light-emitting device, which replaces the role of vision.

2. Fish that can generate electricity: fish that can generate electricity are not rare. At present, there are about 500 known species, including electric eel, electric catfish, electric eel and electric ray. The current intensity and voltage emitted by these fish are different. Take the electric eel as an example. Its cells are like laminated batteries. When nerve signals are excited, they will produce high-voltage electricity.

3. Vocal fish: few people can hear the call of fish, and the vocal organs of different fish are often different. The purpose of sounding is mostly to courtship. Among them, the sound of the bream gill is very similar to the cry of a pig, the sound of the box puffer is like a dog barking, the sound of the electric catfish is like a cat, and the sound of the seahorse is similar to drums. (YuHuiFangPiMa,YuZaiShenMeQingKuangXiaHuiFangPi)