In fact, it is not easy to survive in nature. Everyone knows that nature is an ecological circle, and the weak will be eliminated by natural selection. Therefore, in this extremely dry place in Africa, there is a kind of fish that can survive without water. This kind of fish is the lungfish, also known as the most vital fish in the world. It can live for four years without water.
As we all know, Africa is a very dry place, and it is always short of water. Lungfish is a kind of fish that lives in water, but because of the poor living conditions, they have developed the ability to survive even if they are not in water. They have been eating since childhood, eating everything.
Therefore, when the weather is particularly dry and there is almost no viable water source, the habitat of lungfish will also be claimed by human beings. At this time, lungfish will hide in the hole they dug before, but with the sun exposure, the land will dry up before long, so the life of lungfish will still be threatened.
Usually at this time, lungfish will secrete a mucus to wrap their bodies and maintain their lives. In fact, if it is too hungry, it will feed on the soil, so it will slowly consume the energy and physical strength it had stored in the soil before, and then quietly wait for the rainy season. After investigation, it was found that lungfish could survive for 4 years.
Generally speaking, lungfish are very big, about 10 kg, and some can grow to 2 meters long. When the season is particularly dry, Africans will dig lung fish in the soil to eat, just like we dig potatoes in the soil. Unbelievable? The main reason is that lungfish can breathe air directly instead of gills, so they can survive even if they are not in the water.