1, cultured shrimps are usually kept in shrimp ponds, because they don't need to be hidden in sand and mud, and the shells of sea shrimps will be very thin, so it is difficult to protect themselves in sand and mud. When you buy shrimp, pinch it gently, and the shell feels hard. This shrimp is very elastic. The calcium content of cultured shrimp is not as good as that of sea shrimp, and the shrimp shell will feel thinner to the touch.

These shrimps are brightly colored. The color of sea shrimp is more Huang Liang than that of farmed shrimp, that is to say, if two different shrimps are put together, it will be easy to see that the color of sea shrimp is lighter and yellowish than that of farmed shrimp. It can also be understood that sea shrimp is white and cultured shrimp is black.

3, look at the shrimp head, usually the shrimp head of sea shrimp has shrimp sauce, and cultured shrimp generally does not.

4, look at the variety name, but also through the variety name to identify, no shrimp can be both wild and cultured. Sea shrimp, that is, wild shrimp, includes red beard, oil shrimp, hemp shrimp, flower bamboo shrimp, safflower shrimp and sea shrimp.

5. The whiskers of cultured shrimp are very long, while those of wild shrimp are very short. Cultured shrimps have long heads, sharp teeth and soft texture, while wild shrimps have short heads, dull teeth and hard texture.

Extended data:

1. Shrimp is nutritious, soft and easy to digest. It is excellent food for people who are weak and need to be nursed back to health after illness.

2. Shrimp is rich in magnesium, which plays an important role in regulating heart activity and protecting cardiovascular system. It can reduce the cholesterol content in blood, prevent arteriosclerosis, dilate coronary artery, and help prevent hypertension and myocardial infarction.

3. Shrimp has a strong breast enhancement effect and is rich in phosphorus and calcium, especially suitable for children and pregnant women.

4. Scientists at Osaka University in Japan found that astaxanthin in shrimp helps to eliminate the "jet lag" caused by jet lag.

5. No matter what kind of shrimp, it is rich in protein and has high nutritional value. Its meat is as soft and digestible as fish, without fishy smell and bone spurs. At the same time, it is rich in minerals (such as calcium, phosphorus, iron and so on. ) Shrimp is also rich in iodine, which is very beneficial to human health. According to scientific analysis, protein accounts for about 16 ~ 20% of the edible part of shrimp.

References:

Shrimp-Baidu Encyclopedia