Crab meat.
Some parts of the pike crab can not be eaten, the following are some of the parts to pay attention to:
1, the crab gills: after opening the crab shell, the two rows of gray fan-shaped floppy crab is the crab gills, is the respiratory organs of the crab, is generally filtering a variety of substances, so the inside is very dirty, it is not recommended to eat, generally open the crab shell is the first to remove.
2, crab intestines: crab intestines are located in the lower abdomen of the crab can be broken open in the triangle, is the crab stomach through to the crab umbilicus of a black line, open the triangle can be seen, the crab intestines are crab excreta, should not be eaten.
3, crab stomach: the same as the crab intestine, there are also crab excreta, open the crab shell, the upper side of the crab is stained with some crab roe, crab stomach is in the crab roe on one side of the shell, if the shell is cleaned with no crab roe, you can directly throw away.
4, crab heart: located in the center of the crab under a piece of black membrane coat, is a white hexagonal, should not be eaten.
Breeding
Mating season in the Yellow and Bohai Seas from April to May to early winter, and in the Fujian coast from March to April to November to December, in addition to the mating of the mature individuals of both sexes, the females that are not yet fully developed can sometimes be accepted for mating. April to May each year, female crabs migrate, gathered in shallow coastal harbors or estuaries near the breeding, the output of fertilized eggs held in the abdomen on the abdominal limbs, each female crab breeding season can produce eggs 2 to 3 times.
The total number of eggs is about several hundred thousand to two million, and the freshly produced eggs are yellow, which turn blackish brown after about 2 weeks. Hatch for the jackrabbits larvae, camp planktonic life, ****5 period, the fifth molt into the big eye larval period, and then after 1 molt that is to become a juvenile crab, from small to about after more than 20 times of moult. General life expectancy of about 3 years. Portunus trituberculatus crab grows very quickly, the maximum weight of up to 0.5 kg.