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Do crabs need water to make bubbles

时间:2020-02-21人气: 作者: 小编

Is the bubbling crab dying? In fact, the crab spit bubble is a normal phenomenon, this is on behalf of fresh life, at this time you do not need to add water, also do not have to do anything, let it survive on its own, about the crab spit bubble related tips can see the introduction provided by this site!








A crab can live for a few hours with bubbles


Many people wonder if the bubble is a proof that the crab is not fresh and will not live long. In fact, it is not, the crab spit bubble proves that the crab is alive, fresh, breathing with its gills, just like the fish will appear in the water bubble principle is the same, so the crab spit bubble in the water does not need to worry, but need to pay attention to the preservation of the crab water should not be too much, not beyond the shell of the crab can be.








Do crabs need water to make bubbles


Don't need.




Crab is one kind of crustaceans seafood, it mainly depend on both sides of the gills breathing, gills can hold more moisture, and when the crab out of water, into the land, air and moisture from the gills contact area is larger, the moisture in gills and air will spit out together, has formed a bubble, it is proved that the crab in breathing, does not use the extra water.




In addition, if water is added, the water will be too much, and hinder the breathing of crabs, so that the crabs die of hypoxia and asphyxia.








Crabs can live for days without water


It depends.




Crab is not itself a hydrophilic seafood, save in the process of water can also be used without water, its water, the temperature and the method of the how long to preserve and save a relationship, if stored properly, the temperature is too high, more than 20 degrees, crab to save no more than 8 hours, and if the temperature is low, crab save time will be extended, generally no more than 2 days. At the same time, it is necessary to observe the condition of the crab at any time. If the crab does not move or has peculiar smell, it is recommended to discard it and not eat it.








Crab can eat persimmon


It's best not to eat.




Because there is a lot of protein in crab, and in persimmon contains tannic acid, if crab and persimmon eat together, protein and tannic acid will react with each other, and then form a protein coagulant, people's stomach for this substance is difficult to digest, and then cause diarrhea, vomiting and other conditions.




In addition, crabs and persimmon are cold food, if eaten at the same time, it will make the cold double increase, people's gastrointestinal tract will be unbearable, which will lead to stomachache, abdominal pain and other symptoms, especially for people with cold stomach, the symptoms will be more obvious.