The difference between flower crab and crab

Autumn is the season to eat crabs, when the crabs are very fat and attract countless foodie, so do you know the difference between flower crabs and crabs?

I. the difference between flower crabs and crabs

Crab is the general name of crabs, flower crab is a kind of crab, generally refers to the distant sea swimming crab, flower crab because of the shell pattern, so it is called flower crab.

Second, the characteristics of flower crab

The head and chest nail of flower crab is transversely oval, the width of the head and chest nail is slightly more than 2 times of the length, the surface is rough, there are soft hairs between the particles, the middle and posterior stomach, the middle Gill and the heart and intestines are raised, and the whole surface is covered with white moire; there are 4 thorns on the forehead margin and 2 larger ones on the outside; the front edge of the long segment of the claw foot has 3 teeth, the male is dark blue, the female is dark purple; the back of the head breastplate and chelate foot has white spots, moire and light blue. The first pair of feet is the longest, the final pair of feet is pulpy, suitable for swimming, and the front segment and knuckles are flat, and the knuckles are oblong. The abdomen of female young crabs is isosceles triangular, and the ratio of abdominal length to width (the length of the 5th and 6th abdominal segments) is about 1.74. After mating, the abdomen of female crabs becomes oval, and the ratio of length to width is about 1. 23:1, then the width of the abdomen gradually becomes larger, the 2nd-5th abdominal segment of the abdomen has a pair of double-limb abdominal limbs, the male abdomen is narrow-triangular, and the 3rd-5th healing, with only inobvious sutures. The tail is triangular and the ratio of length to width of the abdomen is about 2. 95:1 The head appendages include 2 pairs of antennae, 1 pair of jaws, 2 pairs of jaws, and the chest appendages include 3 pairs of jaw feet, 1 pair of chelate feet and 4 pairs of step feet; the abdomen is located behind the ventral side of the head and chest nail, covering the surface of the central sulcus of the head and chest nail, commonly known as the crab navel, male pointed navel, female navel.

2. Nutrition of flower crab

The general population is edible, especially suitable for people with injury, broken tendons, swelling and pain, maternal placenta residue and osteoporosis.

Patients with colds, fever, chronic gastritis, gastric and duodenal ulcers, hyperlipidemia, coronary heart disease, rheumatoid arthritis, dysmenorrhea and pregnant women are not suitable for consumption.