A crab, crustacean cephalothorax oval, brown. Abdominal carapace flat, white, round female and male of the tip. Sequestration on serrulate. Meat delicious. Grows in fresh water, damage crops and sometimes climbed up river
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No. 2
Called the "crab", also known as "crab", "mitten crab," "clean water crabs." Arthropods, Malacostraca, Decapoda, Grapsidae. Everywhere along the coast north and south China production. Party round the first chest. Sequestering large enough, dense hair. Cave river, river, lake shore in the mud. Delicious meat, is well-known freshwater crabs.
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生物
河蟹 生物
In large water ph value of the general conditions for the growth of crab, developmental little effect, but in the pond conditions are not. Under conditions close support for the pool, water than fat, combined with the water at night animal respiration and decomposition of organic matter, consume large amounts of oxygen, and release co2, the water tends to affect the growth of crab acidity. Change the water frequently, increasing dissolved oxygen, so keep fresh water, so there is a good crab aquatic environment. If the water when acidic, you can adjust the amount of lime applied to slightly alkaline ph value, so that the smooth crab molting, growth and development. 4 Light Crab hi hi low light without glare, is nocturnal. During the day hidden in caves, bottom, rock crevices, or grass, because the crab has a very well-developed visual organs, by means of faint light at night come out to feed. Therefore, this habit can take advantage of the evening light crab trap.
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Citing explained
a river crab [River crab] crab kind of head and chest crustaceans oblate, taupe. Abdominal crustaceans flat, white, female circular, male tip. Chela on serrulate. Meat is delicious. Grown in fresh water, and sometimes climb riverbank damage crops
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生活习性
河蟹 生活习性
What habits crab
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Crab breeding
Crab is on the table one kind of taste delicious aquatic food, people it is very familiar. But it in the natural environment of the living conditions and behavior are not so understanding, and thus, keeping a few crab, its that and other animals distinct weird looks and domineering behavior, careful observation and appreciation, it is very interesting. Rearing crab important equipment is a terrarium. Commercial mass rearing is the ground control rearing pond reared, but watch out for the purpose of breeding, must be easy to watch, feeding device should be transparent, it is best to use goldfish as rectangular glassy aquarium. Since crab larger body, you need to give it room for maneuver, need a large tank, its length, width and height to 90 cm * 40 cm * 40 cm or greater for the appropriate. Bottom of the first pad 2 to 3 cm thick sand, then put 14 to 18 cm deep water. Box one with washed bricks and cement blocks, clay built by piling up 22 to 25 cm high land above the water 8 to 10 cm, as crab resting place, and in the middle leaving 2 to 3 deep 30 ~ 40 cm deep strip space, the hole like a large egg, as the crab cave. Feeding amount of food should be some restraint, not too much, otherwise the remaining down bait will pollute the tank environment. Daily ration, should have the crab weight of about 1/10. Feeding times a day to feed 1-2 times, autumn, summer day can be fed two times, that is 8:00 and 16:00 each side 1. Feed requirements fresh and clean, can not feed spoilage of meat, although the crab to eat spoiled food-loving, but mainly because of its volume of the activities, events vast area, you can often relatively clean water constantly breathing and excretion. But in a small water feeding, no such favorable conditions, therefore, must pay attention to the feed of fresh and clean. In a feeding device, as the ornamental crab, raised only a few is not appropriate, there are generally four to five is enough. Because crab have mutual clashing and even kill each other habits, the lack of food in the case, it will even take his abdomen eggs to eat. Crab is on the table one kind of taste delicious aquatic food, people it is very familiar. But it in the natural environment of the living conditions and behavior are not so understanding, and thus, keeping a few crab, its that and other animals distinct weird looks and domineering behavior, careful observation and appreciation, it is very interesting. Rearing crab important equipment is a terrarium. Commercial mass rearing is the ground control rearing pond reared, but watch out for the purpose of breeding, must be easy to watch, feeding device should be transparent, it is best to use goldfish as rectangular glassy aquarium. Since crab larger body, you need to give it room for maneuver, need a large tank, its length, width and height to 90 cm * 40 cm * 40 cm or greater for the appropriate. Bottom of the first pad 2 to 3 cm thick sand, then put 14 to 18 cm deep water. Box one with washed bricks and cement blocks, clay built by piling up 22 to 25 cm high land above the water 8 to 10 cm, as crab resting place, and in the middle leaving 2 to 3 deep 30 ~ 40 cm deep strip space, the hole like a large egg, as the crab cave. Feeding amount of food should be some restraint, not too much, otherwise the remaining down bait will pollute the tank environment. Daily ration, should have the crab weight of about 1/10. Feeding times a day to feed 1-2 times, autumn, summer day can be fed two times, that is 8:00 and 16:00 each side 1. Feed requirements fresh and clean, can not feed spoilage of meat, although the crab to eat spoiled food-loving, but mainly because of its volume of the activities, events vast area, you can often relatively clean water constantly breathing and excretion. But in a small water feeding, no such favorable conditions, therefore, must pay attention to the feed of fresh and clean. In a feeding device, as the ornamental crab, raised only a few is not appropriate, there are generally four to five is enough. Because crab have mutual clashing and even kill each other habits, the lack of food in the case, it will even take his abdomen eggs to eat.
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Crab practices
Steamed crab Ingredients: crab Spices: balsamic vinegar, ginger, pepper Practice: 1 Wash the chopped ginger, pour the vinegar and mix well placed in containers stand; (2) the crab rinse, add a few grains of pepper into the steamer and steam for 7-8 minutes out, dip into the dish to eat ginger vinaigrette. Features: crab meat is tender, nutritious. Teach you a trick: When cleaning the crab, crab first placed in salt water, dirt abdominal prompted it to spit out, and then into the water to be cleaned two to three times normal. ================================= Spicy crab 1 small crab scrub clean first, and then Wang fried to a golden brown for about a minute so far; (2) the crab stew a little bit (about three minutes), until the tasty when add ginger and green onions, and secret spices. How to eat: Bring plastic gloves, first hand break off crab legs, crushed with pliers and eat; then broke crab, remove the umbilical eat Crab (red when ripe) or crab cream can be. Taste: eating mainly eat crab or crab paste, very tender, a little hint of spicy flavor, salty flavor, fragrant very attractive. However, eating when in fact what is not necessarily have to eat very full flavor, more important is to eat a kind of joy of life. Nutritional value: Fall legitimate extend their time. Spicy crab protein-rich, low-fat, nutrient-rich, especially for young people's tastes. No for the crowd, in addition to individual allergic to this dish. Spicy crab 1 crab cleaned first, remove crab umbilical, dehydration, and then broke the crab; Two would stand aside crab off the oil, then add onions in the pot, ginger, chili, while fried side of fried; 3. The crabs into the pot, fry flavorful side, add MSG, salt, add water mill cake, clear shoots, drops of sesame oil, you can pan, pan tidy attention after doing the dishes, the crab cap to the crab body, the shape of the end out of the crab is very complete. How to eat: you can directly sandwiched eat better have some Jiuchi. Taste: This dish is made very particular about, people do not see is cut crab; eat very fragrant beauty, endless aftertaste. Nutritional value: Crab (crabs) or crab paste (male crabs) protein is very rich, containing less fat. Black Pepper Crab Material: Crab (2), garlic (2 tablespoons), ginger (2 tablespoons), onion (1, large), bread oil or edible vegetable oil, black pepper (1) or thick black pepper, a little salt. Practice: 1. Crabs washed, open the cover, to the gills, cut into 2 or 4 depending on the size of the crab. 2 garlic, ginger pestle into the mud or minced onion cut into coarse, peppercorns pestle into a coarse powder. 3 heating oil bread (butter) or edible vegetable oil, add the spices within two, until fragrant, then add crab, amount of salt, stir fry. 4 add a little water, covered, over low heat until cooked stew, and then fires the excess water evaporates Serve. Note: 1. If the oil with hot bread, boiled crabs with butter flavor stocks, do not like the available edible vegetable oil. 2 garlic, ginger, pepper dosage can be increased or decreased according to your taste
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网络语言
2 major sites, forums, paste it and other "public places" in the content, such as involving "violence, pornography ..." will be _delete_d crab!
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Crustacean
Also known as the "crab" or "crab, the Arthropoda crustaceans. The crab is rampant.
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河蟹养殖技术及疾病防治技术
Crab diet is very complex, under natural conditions, food plants, humus, addicted to food animal carcasses, also eating snails, mussels son, worms, insects, and occasionally also feed on small fish, shrimp shortage of food also cannibalism, even devour the eggs they hold, and sometimes a dead fish suffered similar fought over, under normal circumstances, the crab plant food is easier, and often constitute the main ingredients of the food of crab stomach, crab stomach some of the mud sand, which is a sign of the crab feeding benthic organisms and humus.
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English Expression
: fresh water crab
n.: river crab
lat.: eriocheir sinesis
Thesaurus
Crab, maoxie, qingshuixie, rong'aoxie, rinsing live fresh water crab, China Mitten crab
