How much is a catty of clams? How can I see if the clams are alive?

Clams are between 3 and 30 yuan a catty. The reason for the big difference, mainly because it is cheaper to sell in the origin, shipped to the inland to add transportation costs, the price is high. And live generally sell with shell, the price is not high, but dry shell also does not have moisture, naturally will be more expensive. If you want to see if this thing is alive, you can observe whether it will move, whether it can spit sand after adding salt, and whether there is any reaction after touching it.

1. how much is a catty of clams

The price of clams fluctuates greatly, ranging from 3 yuan to 30 yuan a catty.The main reason for such a big difference is that the coastal areas, as the origin, have large production and low prices, and the cost of transportation and preservation to the inland areas will naturally increase.In addition, live clams sold with shells, the price is relatively low, dried clam meat because there is no moisture, the price will also rise.In addition, the price of imported clams is also high.

2. How to see whether the clam is alive

1. Observation: If you want to know whether the clam is alive, you can see it by careful observation.Live clams will automatically extend their tentacles when the surface of the water is not fluctuating, while dead clams will close their shells tightly, or the outstretched tentacles will remain motionless and can not retract into the shell.

2. Add salt: Because the clam lives at the bottom of the water, it will inevitably swallow some sand. When the salinity of the water rises, it will spit out the sand.According to this characteristic, if you want to check whether the clam is alive, you can add salt to the water, spit out the sand is alive, dead only cooked meat, can wash the sand away.

3. Touch: In fact, the simplest way to check is to touch the shell of the clam. If it is alive, it will close its shell tightly. If it is dead, there will be no reaction.You can also touch two clams, the sound of solid is alive, otherwise it is dead clams.

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