How to choose whether crabs are good or bad? Analysis and practical guide of hot topics across the Internet
Recently, the discussion about seafood purchasing has been very hot on the Internet, especially during the crab season around the Mid-Autumn Festival. How to choose high-quality crabs has become a hot topic. This article will combine the hot content of the past 10 days to provide you with a structured crab selection guide.
1. Inventory of popular crab topics on the Internet (last 10 days)

| Topic keywords | Discuss the popularity index | main focus |
|---|---|---|
| How to choose crabs | 8.7 | Male and female distinction, freshness identification |
| Yangcheng Lake hairy crabs | 9.2 | Anti-counterfeiting label, time to market |
| Crab price fluctuations | 7.5 | Price comparison before and after the Mid-Autumn Festival |
| Crab Preservation Tips | 6.8 | Refrigeration/freezing methods |
| Taboos on eating crabs | 7.1 | Compatible foods, suitable for people |
2. Five core indicators for selecting crabs
1.Freshness test
| Detection method | Premium features | inferior features |
|---|---|---|
| touch response | The eyes contract rapidly and the legs rebound forcefully | Sluggish or unresponsive |
| Water test | Frequent vomiting and strong mobility | Stand still or roll over |
| Odor discrimination | Light smell of sea water | Putrid or chemical smell |
2.Judgment of body shape characteristics
| parts | Premium standards | Selection Tips |
|---|---|---|
| crab shell | Blue-gray, shiny, high hardness | Press lightly with your fingernails without denting |
| Abdomen | White, plump and clear texture | The "round navel" of female crabs is more obvious |
| crab legs | Intact, dense velvet | The second joint is elastic when pinched |
3.Male and female distinction and seasonal selection
| Type | Best before date | Feature differences |
|---|---|---|
| male crab | After the 9th month of the lunar calendar | The umbilicus is long and pointed and rich in crab paste. |
| female crab | Around August of the lunar calendar | The umbilicus is round and wide, and the crab roe is plump. |
3. Key points for selecting common crab varieties
| Variety | Premium standards | Market price reference |
|---|---|---|
| Yangcheng Lake hairy crabs | Green back and white belly, golden claws and yellow hair | 80-200 yuan/piece |
| swimming crab | The shell is hard and the claws are thick | 40-120 yuan/jin |
| king crab | The limbs are intact and the colors are bright | 200-400 yuan/jin |
4. Answers to the three major questions consumers are most concerned about
1.How to choose a rope-tied crab?
Pay attention to the weight ratio of the crab body to the rope. The normal weight of the rope should not exceed 15% of the weight of the crab. Recent hot events have revealed that some businesses use water-soaked cotton ropes to gain weight. It is recommended to choose straw ropes or detachable ropes.
2.Things to note when buying crabs online
Check the buyer reviews in the last 10 days, focusing on logistics timeliness and survival rate. Merchants are required to provide clear live video of the product to confirm the vitality of the crabs.
3.How to identify potion crabs?
Unusually bright colors (such as an overly white belly) or a pungent chemical smell are red flags. Recent quality inspection reports show that the gills of crabs treated with formaldehyde will appear unnaturally pale.
5. Expert advice and latest industry trends
According to the latest data from the China Fisheries Association, the overall quality of crabs this year has increased by 15% compared with previous years, but new fraud methods have emerged in the market:
• Counterfeit geographical indication products increased by 23%
• False “certified organic” labels increased 17%
Consumers are advised to purchase through formal channels and scan the product traceability QR code to verify authenticity.
By mastering these selection skills and using the latest consumption tips from recent hot topics, you can easily avoid consumption traps and purchase fresh, plump and high-quality crabs. Remember, good crabs should be "live, fat, fresh, and clean" all at the same time!
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