1 Why isn't hairtail alive? Because hairtail was originally a fish living in the deep sea, the pressure in the deep sea is relatively high. Hairtail accustomed to living in a high-pressure and strong environment, after being salvaged, because the pressure on the sea surface becomes lower, the swim bladder that controls the ups and downs of hairtail will burst and soon the hairtail will die.

Therefore, the hairtail just caught ashore will be stored in a frozen environment after cleaning, and only frozen hairtail will be seen in the market without live hairtail.

2 The appearance of hairtail is alive. The hairtail is silvery in the water, and its body swings quickly and slightly when swimming, which is very beautiful. After the hairtail is salvaged ashore, it can survive for several hours. At this time, it is also very active and twisted violently. However, unless it is a fisherman or a staff member who is preparing to receive goods on the shore, few people can see the live edible hairtail, so the hairtail will die after being salvaged for a few hours because of the rupture of the swim bladder.

3 Why is hairtail cheap 1. The transportation cost of frozen fish is low. Hairtail on the market is cheaper, which may be related to the low transportation cost. If it is live fish, it is necessary to control the temperature and transport the water and oxygen equipment to preserve the live fish at the same time, so the cost will be very high. However, hairtail will die soon after going out to sea and can only be frozen, which can reduce the transportation cost.

2. There are few intermediate links in some large supermarkets, and the price of hairtail is also very cheap, which may be related to the fact that large supermarkets purchase goods directly from the port, which reduces the intermediate links. The fewer intermediate links, the less losses, and the cheaper the hairtail consumers buy at the end of the month.

3. The output of hairtail is large. Hairtail, large yellow croaker, small yellow croaker and squid are also called the four major seafood in China, indicating that the annual catch is huge and the market factors also determine that the price of hairtail will be cheaper.

4 How to choose hairtail? Generally, hairtail should be bought with a layer of silvery white silver and phosphorus on the surface, so that hairtail will be fresh. After thawing, silver and phosphorus will be slippery and sticky to the touch, which is normal. You can eat it after a little cleaning.

Be careful not to choose fish that is yellow on the surface or smells bad. This kind of fish is generally stored for too long and the fish has gone bad.