1. Crab gills: Two rows of soft things like eyebrows growing on the belly of crabs, commonly known as crab eyebrows, are the respiratory organs of crabs, which are used to filter water quality and are very dirty. The triangle crab white under the cheek should also be removed;

2. Crab intestine: There is crab excrement in it. After opening the back of the crab, I saw something black in the crab yellow and crab meat, which should have been removed;

3. Crab stomach: a triangular bag hidden in crab roe, which contains crab excrement. Hidden in the crab yellow pile on the crab cover.

4, crab heart: also known as crab hexagonal plate. Hexagonal, hidden in the middle of the thickest crab belly with yellow paste, it is the coldest and must not be eaten. Open the crab shell and you can see a black film. The white crab heart is between the yellow paste and the black film.

Extended data:

Appearance characteristics:

The head and the back of the breastplate of the bread crab are very long, with five longitudinal verrucous protrusions on the surface and soft hair on the side; The forehead is narrow and concave, divided into 2 teeth; Small eye socket; There are granular teeth on the front side; There are 3 teeth on the trailing edge; There are 1 round teeth in the middle of the trailing edge, and four triangular sharp teeth on each side. The shape of the pincers' feet is asymmetric, and the right knuckles are thicker, while the pincers' feet cling to the forehead when contracting. Feet are slender and smooth. Male abdomen is long, the third to fifth joints are healed, the joints are distinguishable, the sixth section is nearly rectangular, and the seventh section is sharply triangular. The female abdomen is wide and long, the sixth section is nearly rectangular and the seventh section is triangular.

Head breastplate is light brown; There are semi-circular reddish-brown markings in the eye area; There are reddish-brown spots on the outer membrane of wrist joint and long joint of claw and foot; Toes are brown. The breastplate of the male head is 62.0mm long and 83.0mm wide. The breastplate of the female head is 70.0 mm long and 93.0 mm wide.

Growing habits:

Habitat in sandy or sandy muddy seabed with water depth of 30- 100 meters. Bread crabs are mainly distributed in the Pacific Ocean and also found in Hong Kong waters.

Medicinal value:

Medicinal parts: crab roe and crab shell.

Collection and harvesting: in summer and autumn, it is mostly collected and processed in the cracks on the beach or rock shore: after fishing, it is washed and crab roe is taken for fresh use; Wash the shells and dry them in the sun.

Function: Crab yolk has the functions of clearing away heat and toxic materials and killing insects, and is mainly used to treat beriberi and other diseases; Crab shell has the effect of benefiting qi and relieving pain.

Indications: chest pain and other symptoms.

Baidu Encyclopedia: Bread Crab