Every year in the fall, sea crabs have yellow; in late autumn, when the sea crab grows mature and becomes fat, peel the crab shell, you can see a lot of yellow, sticky things inside, that is the raw crab yolk; after the crab is cooked, the crab yolk becomes red, the deeper the red color, which means that the more mature the crab is developed; both the crab yolk and the crab paste are the essence of the sea crab.
Expanded Information
Economic Value
Meat, fat and cream, flavorful and nutritious. Each hundred grams of crab contains 14 grams of protein, fat 2.6 grams. Fresh food is mainly steamed, can also be salted and processed "choking crab", crab sauce, crab eggs by rinsing and drying that becomes "crab seeds", are the top of the seafood products.
Nutritional value
Pike crab meat is tender, white, rich in protein, fat and a variety of minerals. Pike crabs in the winter swimming season in the most robust individuals, generally weighing about 250 grams, the largest up to 500 grams. Female crabs are full of red paste and have an excellent flavor.
Pike crab can be eaten fresh, or steamed, or fried, or stir-fried, or all the two halves of the stewed soybean paste, or crab fried rice cakes, fried pickles, boiled bean curd, is a coastal residents of the table of the regular dishes. Can also be pickled, that is, fresh pike crabs into the salt brine soaked, a few days later can be eaten, commonly known as the "new wind grab crab'.
In the past, fishermen because of the high yield of pike crabs, often selecting the cream full of live crabs, the yellow pick into the bowl, the wind and the sun to make it solidify, that is, "crab cakes", the flavor is very good, but the production of less, it is difficult for people to taste this flavor.
Life habits: pike crabs lurk at the bottom of the sea during the day, and come out at night to forage for food and have obvious phototropism. Raised in the pond pike crab at sunrise and sunset in the pike crab pang more obvious vertical movement phenomenon of day and night.
Pike crab swimming, the body tilted inverted pendant in the water, the fifth step foot frequently swinging, for lateral or non-directional horizontal swimming. When it dives into the mud and sand, it often makes an angle of 15~45 degrees with the bottom of the pool, only exposing its eyes and antennae. Pike crabs do not have the ability to drill holes, pond culture does not have to set up anti-escape facilities. The water temperature is below 18 ℃, pike crabs more submerged in the pond side of the sand pile.
Baidu Encyclopedia-Sea Crabs