Is the round umbilicus a female crab, and the crab umbilicus is what a crab is

The umbilicus is the female crab. Difference Between Female Crab and Male Crab:

1. Navel shape: The navel shape of male crabs is triangular.

The shape of the navel of the female crab is oval.

2. Nutrients: male crabs have crab paste.

Crab paste is the sperm gland of the male crab of hairy crab; Female crabs have crab roe, which is the ovaries and crab eggs of female crabs.

The female crab is the fattest, with crab roe feet.

4. Size: Male crabs are generally larger, while female crabs are generally smaller than male crabs.

Buying tips:Common saltwater crabs are pike crabs.

Snow crab, blue crab.

Among them, the snow crab is basically dead from the water after being caught, and the pike crab can be artificially farmed. The food quality and growth environment of pike crab and snow crab are relatively good, and they can be eaten after death, and they should be selected freshly: the dorsal shell is blue-black, shiny, full umbilicus, and the abdomen is white.

Blue crabs burrow in shallow coastal waters and estuarine muddy bottoms, and are carnivorous, sometimes feeding on putrefactive small animals. Once dead, there may be toxins in the gastrointestinal tract of blue crabs that spread to the muscles, so dead blue crabs should not be eaten. After buying blue crabs, it is best to put them in clean light salt water.

Medium temporary purification, which helps to clean the digestive organs of crabs.

How to identify female crabs:

1. Female crabs have some crab roe, while male crabs do not. After the crab is cooked, the roe of the female crab is easy to leave some oil from the bottom shell part, you can see if there is oil flowing out, if there is an outflow, it is generally the female crab.

2. It can be judged by the shell at the bottom of the crab. Generally, the shell of a female crab is round, while the shell of a male crab is triangular.

3. From the point of view of size, male crabs are generally larger than female crabs, and the size of female crabs may be relatively smaller, but some individual differences are not excluded.

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The crab navel is the belly of the crab.

Crab navel: Commonly known as "crab's belly.""It is also the pregnant bag of the female crab, and the male crab and the female crab are distinguished by the crab navel, the male crab with a thin tip of the crab navel, and the female crab with a thick and round crab navel.

Crab:"Full of eyes""Short-tailed sub-head talks about the slag.""Crustaceans, found in all oceans, rivers and land. The tail of the crab is different from that of other decapods, curled under the thorax, and the dorsal armor is often vaguely broad.

The first pair of thoracic feet specialized"Chelicera"。Usually moves on foot or crawling. "Sideways gait"It is characteristic of most crabs.

China's crab resources are very rich, including the Taihu Lake hairy crab in the lower reaches of the Yangtze River, Gaoyou Lake hairy crab, Yangcheng Lake hairy crab and so on.