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How to tell the difference between male and female pictures of hairy crabs
In general, there are several ways to distinguish the male and female of hairy crabs: look at the abdomen, look at the legs, and look at the size.

First, look at the abdomen

Look at the abdomen. Look at a small cover near the bottom of the hairy crab's belly. If it is pointed navel, it is a male hairy crab. If it is round navel, it is a female hairy crab. This is because the female crab needs enough space to accommodate eggs, so the abdomen design is wider.

Second, look at the legs

Looking at the legs, the hairy crabs, whether male or female, have a gray-black fluff on their two claws. If they are female, only two claws have fluff, and the other legs are smooth. If it is a male, there are fine hairs arranged like brushes on eight legs.

Third, look at the size

Female crabs are usually smaller than male crabs. In addition, the shell of female crabs may be smoother, while that of male crabs may be rougher and harder.

Types of crabs:

1, the scientific name of Portunus trituberculatus. Commonly known as: swimming crab, gun crab, sea crab, child crab, flying crab and white crab.

2. Scientific name of flower crab: Portunus pelagicus. Commonly known as: pelagic swimming crab, blue crab, flower crab, flower-footed city boy, orchid crab.

3, the scientific name of the red crab: rusty spot. Commonly known as: patterned stone crab, flower crab, burnt male, cross crab, Wanli crab.

4. Scientific name of stone crab: Japanese clam, etc. Commonly known as: onyx, stone tongs crawling, flower-covered crab.

5. The scientific name of the blue crab: Scylla serrata, Scylla paramita, etc. Commonly known as: midge, yellow crab, salamander, cream crab, red midge, red cream female crab, happy crab and positive midge.

6. Scientific name of hairy crab: Eriocheir sinensis. Commonly known as: crab, river crab, hairy crab, clear water crab, Yangcheng Lake hairy crab, Shengfang crab, Huajin crab and Nanhu crab.

7. The scientific name of sand crab: sand crab.

8. Scientific name of sand crab: sand crab with flat palm. Sand crabs, commonly known as: beach crabs.

9. Scientific name of monk crab: short for monk crab. Commonly known as: sea monk, sea pearl, soldier crab, rice crab.

10, the scientific name of coconut crab: coconut crab. Commonly known as: gossip crab, robber crab.

1 1, the scientific name of hermit crab: Herminioidea. Commonly known as: strange crab.

12, scientific name of king crab: Kamchatka stone crab. Commonly known as: Alaska King Crab, Cod Crab.

13, scientific name of spider crab: Japanese spider crab. Commonly known as: giant spider crab.

14, the scientific name of emperor crab: giant paramecium crab. Commonly known as: Australian emperor crab, Tasmanian cancer, Australian king crab.

15, scientific name of zodiac crab: eight kinds of crabs, such as North Zodiac Crab, Common Zodiac Crab, Chief Zodiac Crab and Striped Zodiac Crab. Commonly known as: Treasure Crab, Dunkins Crab, Tang Jin Crab, Golden Crab, Bread Crab, Vancouver Crab, etc.

16, scientific name of Sinopotamon serrata, Sinopotamon Changjiang, etc. Commonly known as: stone crab, water crab, mountain crab.

17. Scientific names of fiddler crabs: Innocent fiddler crabs, Taiwan Province fiddler crabs, fiddler crabs along the arc, etc. Commonly known as: violin crab.

18, scientific name of bean crab: Chinese bean crab, exquisite bean crab, related bean crab, etc.

19, the scientific name of Pangxian: Chinese xiangshou crab, etc. Commonly known as: xiangshou crab, scorpion, scorpion, scorpion, and scorpion.

20. Scientific name of Dawn Crab: Red Line Dawn Crab.