Crayfish is the reigning king of the night market stalls, it is also our country's biological invasion, one of the most failed species. In other countries around the world, dealing with the scorched crawfish, however, in our country, it is required to be farmed in captivity, in order to meet the market demand.

This is mainly because of the delicious meat of crayfish, and in the summer, crayfish and beer and barbecue go better together. Maybe all of us have had the feeling that the frozen pure shrimp tails in the supermarket, many times much cheaper than crawfish.

In such a case, many people will choose to buy the shrimp tails of crawfish to eat. In my personal opinion, the shrimp tail meat will be cheaper than crawfish, are because of the following reasons:

Supermarkets to buy shrimp tails, many times are in a frozen state. In this case, it makes these shrimp tails can be preserved for a longer period of time.

And we can't judge the freshness of the crayfish and how long the tails have been stored just by their tails. With the freezer, it is possible to keep the shrimp tails for a very long time.

For those unscrupulous merchants, it is entirely possible to take the remaining shrimp tails from last year and sell them again this summer. We also can not pass the shrimp tail, to determine whether the shrimp tail belongs to the body of the dead shrimp.

Because the shrimp tail is in a frozen state, many times we buy shrimp tail, shrimp tail will be surrounded by ice. In this case, these extra ice cubes, it will increase the weight of the shrimp tail.

These ice cubes, perhaps in the process of freezing, condensed into moisture wrapped around the top of the shrimp tail; perhaps unscrupulous businessmen deliberately, in order to increase the weight of the shrimp tail.

It is because of the weight of the ice, so it makes the shrimp tail, can be sold at a cheap price.

Combining the above two reasons, shrimp tail seems to be cheaper than crawfish. On the one hand, the shrimp tail is not as fresh as crayfish; and on the other hand, because the shrimp tail contains water, making the shrimp tail heavier.