How to deal with express live fish? Most people will choose to buy fish online. Fish need to change water or put oxygen into the water in time to breathe with their mouth open, which is caused by insufficient water quality. The breeder needs to change the water in the fish tank regularly. Here's how to deal with live fish delivered by courier.

How to deal with live fish by express delivery? 1 Need water.

During transportation, the fish bumps all the way, which will make the oxygen inside melt into the water and the oxygen will steal away. When receiving goods, you should handle them with care, so that the originally bumpy fish can settle down. It usually takes half an hour or an hour for a new fish to swim.

The last step before closing the cylinder is to pass water. Generally, after going home, you should disinfect the new fish first to prevent harmful bacteria from being brought in, and then overheat, because the water temperature in the fish tank may be different from that of the new fish. Fish will be stimulated if it is not overheated. Finally, the water can be passed every five minutes, and the cylinder can be closed after repeated times.

1. How long will it take the new fish to get home?

It usually takes about half an hour or an hour for new fish to cross the water. The last step before closing the cylinder is to pass water. Generally, new fish should be disinfected after returning home to prevent harmful bacteria, and then overheated, because the water temperature in the fish tank may be different from that in the fish tank. Fish will be stimulated if it is not overheated. Finally, the water can be passed every five minutes, and the cylinder can be closed after repeated times.

Second, how to make a new fish tank?

1. Disinfect the fish: After the new fish arrives home, the first thing to do is disinfection. The disinfection method is also very simple, just like disinfecting fish at ordinary times. Prepare a container, pour the fish into water, then add an appropriate amount of potassium permanganate, soak for a while, and take it out. It should be noted that the concentration of the solution should not be too high, otherwise there will be side effects.

2. Temperature control: In order to make the fish adapt to the water temperature of the fish tank, the easiest way to change the water temperature of the bag is to slowly put the bottom of the bag into the fish tank, but not all of it, so as to avoid the exchange of water between the two. Just let them contact each other through the bag, and they can reach the same temperature.

3. Repeated water discharge: cylinder. The last step is water. Every five minutes, a part of the water in the bag is scooped into the fish tank, and the same amount of water is scooped out of the tank and put into the bag. Wait after each exchange to see if the fish react. If there is no problem, you can continue swimming. If there is a problem, you should stop.

How to deal with live fish by express delivery? 2. How to put the fish that just came back by express delivery into the tank?

1, overtemperature: The fish that just came back by express delivery must be overtemperature first. Put the fish bag into the fish tank from the top, but to avoid contact with water, just immerse the bottom of the bag in water, so that the temperature of the water in the bag is gradually consistent with that in the tank, and the fish will not feel the temperature difference.

2. Crossing the water: Because the water in the bag is different from that in the fish tank, if the environment changes suddenly, the fish may feel uncomfortable, so it is necessary to cross the water. First scoop out one-tenth of the water from the bag, pour it into the fish tank, then scoop out the same amount of water from the tank and pour it back. Then wait ten minutes to see how the fish behave. If there is no discomfort, you can continue to exchange. Usually after five exchanges, the fish adapt.

3. Disinfection: If the new fish carries germs, it will soon infect healthy fish after entering the fish tank. In order to avoid this situation, it is necessary to pour yellow powder for disinfection and sterilization at the first time.

Second, how to improve after entering the cylinder

After the fish is safely put into the tank, it is best to isolate it first. You can put an isolation net in the fish tank to prevent it from contacting the old fish. Generally, you need to rest for a week, during which you should control feeding and change water as little as possible. Once the water quality fluctuates, the fish need to adapt again, which is also very unfavorable to the health.

The fish delivered by express delivery should be put into a fish tank with a bag, and then the water in the tank and the bag should be changed every 10 minute, about one tenth each time, about five times. Water supply is the last step of entering the cylinder, before which disinfection and overheating are needed. Disinfection is to prevent fish from bringing harmful bacteria into the tank and infecting healthy fish. Overtemperature means putting the bag in the water tank to make the water temperature tend to be consistent.

How to deal with live fish by express delivery? How long can the express fish live in the oxygen bag?

1. Fish can be stored in an oxygen bag for up to three to four days.

2. Most fish are warm vertebrates, living in water all the year round, breathing through gills and using fins to help balance and exercise. Some African lungfish, mudskippers and perches can live on land for a long time, while snakehead, eel and finch eel breathe through a swim. Although most fish are cold-blooded, many sharks and tuna are semi-constant, while moon fish are constant. Fish breathe oxygen in the water, so as long as there is enough oxygen in the water, whether the plastic bag is sealed or not, it can survive.

For example, express fish, these fish are oxygenated in plastic bags to ensure that the fish will not die during transportation, which is why when we buy aquatic products such as fish and shrimp, we buy them back alive and die after a while, because the oxygen content in the water is too low or there is no oxygen. Therefore, the survival time of fish in sealed bags is related to the size of plastic bags, the type, size and quantity of fish and the amount of water.

Moreover, most importantly, how long fish can live is also related to temperature and season. When the temperature is above 20℃, the metabolism of live fish is faster and the oxygen demand is also increased. It is suggested to put some fish in the oxygen bag and put an ice bag outside the bag to cool down, which can reduce the oxygen demand of fish and prolong the survival time, which can generally be kept at 15-20 hours. If it is a delicate live fish, such as goldfish, the life span is shorter. The main thing to carry in winter is to keep warm, and don't let the temperature lose too fast.

In summer, as long as there is enough oxygen, bagged fish should follow the principle of low density. When the bag rolls to any angle, the water must drown the fish's dorsal fin. For large fish, try to bag with low density, and for aggressive fish (such as Lohan), try to bag with low density.

Single-tailed bag, if you need to carry it for a long time, please use a large bag and fill it with pure oxygen. Avoid exposure in winter and direct sunlight in summer. Therefore, generally speaking, it is best to put one-third of water and inject pure oxygen in summer, and the fish can live for about three to four days at most.

Fish can survive for about 20 hours in an oxygen bag, and 72 hours if the water temperature is right. The specific time depends on the size of the oxygen bag, the number of fish and the temperature. It should be noted that the fish in the oxygen bag should be put into the fish tank as soon as possible, and it should be overheated and watered. Overtemperature means that the water in the water tank is close to the water in the bag, and the water should be changed repeatedly when watering.

Fish in oxygen bags can be kept for 2-3 days. Try not to pour the fish you just bought home directly out of the oxygen bag. It is suggested to water the fish first to speed up their adaptation to the environment. You can put oxygen bags in the fish tank first to adapt them to the water temperature in the fish tank. After the water temperature in the oxygen bag is consistent with that in the fish tank, you can try to add the water in the fish tank to the oxygen bag.

Fish can survive for about 20 hours in an oxygen bag, and 72 hours if the water temperature is right. The specific time depends on the size of the oxygen bag, the number of fish and the temperature. It should be noted that the fish in the oxygen bag should be put into the fish tank as soon as possible, and it should be overheated and watered. Overtemperature means that the water in the water tank is close to the water in the bag, and the water should be changed repeatedly when adding water.