What fish stay out of the water for the longest time and will not die

The reason why fish will die when they leave the water: because fish breathe with gills, and at the same time, the gills can only absorb oxygen dissolved in the water, but not in the air, so if the fish leaves the water, the body of the fish cannot replenish oxygen, so the fish will die when it leaves the water.

1. Fish live in water, breathe with gills, swim with fins, gills are composed of many gill filaments, because they contain a large number of capillaries, the water flows into the gills from the mouth of the fish, and then flows out from the posterior edge of the gill cover to complete the gas exchange.

2. Once the fish leaves the water, the gill filaments will stick to each other, reducing the surface area in contact with the air, the fish will suffocate due to lack of oxygen, and the fish will die soon after leaving the water, because it cannot breathe.

3. Another factor that causes the death of fish due to hypoxia is osmotic pressure. Fish can be divided into two categories: freshwater fish and marine fish, and many people think that the salt content of marine fish is higher than that of freshwater fish, but in fact, the salt content in the body of the two is almost the same.

4. The salt in the body of freshwater fish is higher than the salt in freshwater, and after the outside freshwater enters the body through its gills and mouth, it will use the kidneys to discharge excess water, so as to balance the salt and water in the body. The salt content in the body of the saltwater fish is lower than the salt content of the seawater, so the fish will swallow the seawater in a large mouth, and then excrete the excess salt through the salt-excreting cells in the gills, so that the salt and water in the body are balanced.

How long a fish out of the water can live depends on the species, for example, carp can live for 10-20 minutes, crucian carp 20-40 minutes, and other fish 1-10 minutes. Some fish can live for a few more days even if they don't have water, but they still maintain a certain amount of humidity. Generally speaking, the fish that can survive without water are mudskipper, climbing perch, eel, snakehead, killifish, lungfish, and so on.

In fact, all fish need water, and even if they can live out of water, it is only temporary.

1. Marine fishMarine fish need water more than freshwater fish. Among the marine fish, deep-sea fish are the most unable to leave the water. Therefore, once a deep-sea fish leaves the water, it will die very quickly.

Fortunately, the most fish we generally raise are shallow-water marine fish, and we can't meet the water pressure required by deep-sea fish.

2. Freshwater fishThere are many masters of survival out of water in freshwater fish, such as lungfish, which can be free after leaving the water. From our point of view of keeping ornamental fish, the reason why fish leave the water and die is mainly because of lack of oxygen. Many freshwater fish can open their gills and expose them to oxygen in the air after leaving the water until their gills are completely dry.

Then it's okay to stick to it for a few hours. So, even if we go home and see the fish moving after jumping out of the water, we should put it back in the water as soon as possible and don't give up**.

Different species of fish have different survival times after leaving the water.

The carp will die 10 minutes to 20 minutes after leaving the water.

Crucian carp will die 20 minutes to 40 minutes after leaving the water.

Other fish die 1 to 10 minutes after leaving the water.

The respiratory organ of the fish is the gills, and its main part is the gill filaments, which are covered with capillaries. When water flows through the mouth and passes through the gill filaments, the oxygen dissolved in the water seeps into the gill filaments and is the capillaries, while the carbon dioxide, which exudes the capillaries, is discharged into the water and excreted from the body with the water from the gill pores at the posterior edge of the gill cover.

In other words, the fish can only survive by using the oxygen dissolved in the water to flush the socks, and after leaving the water, the oxygen appears in the form of gas, and cannot enter the fish's body through the capillaries in the gills, causing the fish to die of lack of oxygen.

Different species have different survival times.

Carp can survive for 10 minutes to 20 minutes.

Crucian carp can survive for 20 minutes to 40 minutes.

Other fish can live for about 1 minute to 10 minutes.

Fish mainly breathe through the gills, and the flow of water flows in from the mouth and out of the gill holes, and the gas exchange is carried out as it passes through the gills.

Mudskipper, also known as jumping fish, mud monkey spine file, riverside, seaside, common for spiny finned fish family, stupid ant has a total of 25 species of mudskipper in the world, according to its shape and behavioral characteristics can be classified into four species; There are 3 genera and 6 species along the coast of China, namely mudskipper, mudskipper, mudskipper, and mudskipper, and the common species are mudskipper, mudskipper, and mudskipper. The mudskipper has gills and is a true cherry fish, a small ancient fish with a low degree of evolution.

Mudskippers are the genius of fish, and they spend a lot of their lives without being in the water. The places where they live are overgrown with mangroves, and they are happy to climb up to the trunks or branches. They use their pelvic fins as suckers, which they use to grasp trees, and they use their pectoral fins to crawl upwards.

Mudskippers have small mouths around their gills that can hold water for a breath, much like we can hold for a breath. They climb trees, so they can stay out of the water at high tide and stay out of the water for long periods of time.