Carassius auratus is an omnivorous fish that feeds mainly on plants, and prefers to live in groups and choose its food. Tender meat, meat nutritional value is very high, per 100 grams of meat containing 13 grams of protein, 11 grams of fat, and contains a large number of calcium, phosphorus, iron and other minerals. The medicinal value of crucian carp is very high, its nature is flat and sweet, into the stomach, kidney, and has and in the complementary deficiency, in addition to wonkiness, warm the stomach into the food, tonic in the efficacy of anger. Carp is widely distributed, year-round production of waters throughout the country, to February to April and August to December crucian carp is the most fertile, one of China's important food fish. Maximum body length of about 30cm, habitat depth of 0 ~ 20 meters, non-toxic, economic food fish, inexpensive. Mostly produced in the Yellow River basin, the Yangtze River basin area, Erhai crucian carp is more famous.
Basic Information
Carp, also known as perch, crucian carp, crucian carp melon seeds, crucian carp skin, belly rice fish, crucian carp (carp family) C crucian carp arassius auratus.
[Local name]Grass carp plate, hi head fish, crucian carp melon seeds, perch, crucian carp abduction, nesting fish, knife fish, crucian carp shellfish.
[Morphological features]The general body length is 15-20 centimeters. It is streamlined (also called pike-shaped), laterally compressed and high, with a thicker body and a rounded abdomen. Head short, snout blunt. No whiskers. Gill rakers long, gill filaments slender. Hypopharyngeal teeth in one row, flattened. Scales large. Lateral line slightly curved. Dorsal fin long, outer edge relatively straight. Dorsal and anal fin 3rd stiff spine strong, posterior margin serrated. Pectoral fin ends up to the beginning of the ventral fin. Caudal fin y forked. Generally the back of the body is gray-black, the ventral surface is silver-gray, and the fins are gray-white. The body color varies depending on the growing waters.
The belly is white-black and the back is black. Natural enemies from the water above to look down, because the black fish back and the river bottom silt with the same color, so it is difficult to be found; natural enemies from the water below to look up, because of the white belly and the sky color is almost the same, so it is also difficult to be found; often see some articles describe the early morning hours, "the east rose up the fish maw white," this is the reason. Belong to the protective color.
5. [Place of origin, season of production] waters throughout the country year-round production, in February to April and August to December of the crucian carp is the most fertile. Carp belongs to the carp-shaped order, carp family, crucian carp genus. Jiangsu, Zhejiang area called the river crucian carp, the Northeast called crucian carp melon seeds, Hubei called the head of the fish and so on. Carp is widely distributed, except for the western plateau area, widely distributed throughout the country. The crucian carp is very adaptable, whether it is deep or shallow water, running water or static water, high-temperature water (32 ℃) or low-temperature water (0 ℃) can survive. Even in the strongly alkaline waters of pH: 9, salinity as high as 4.5 percent of Lake Dari, can still grow and reproduce.
Grass carp
Category :Animals
Grass carp belongs to the genus Grass carp in the subfamily Yarrowiaceae of the order Cypriniformes. Common names of grass carp are: grass carp, grass carp, oil grass carp, grass carp, white grass carp, grass carp, grass root (Northeast), thick fish (Lunan), sea grass (South), mixed, black mackerel, and so on. English name:Grass carp. Inhabiting the rivers and lakes in the plains, it generally prefers to live in the middle and lower layers of the water and the near-shore areas with many water plants. It is active, swims quickly and often forages in groups. It is a typical herbivorous fish. Grass carp larvae eat larvae, algae, etc. Grass carp also eat some meat, such as earthworms, dragonflies and so on. It overwinters in deep water in dry streams or lakes. Parent fish have anadromous habits during the reproductive season. It has been transplanted to many countries in Asia, Europe, America and Africa. Because of its rapid growth and wide source of feed, it is one of the four major fish in freshwater aquaculture in China.
Grass carp, family Carpidae. The body is prolonged, sub-cylindrical, with a body length of more than 1m. Body greenish yellow. Head broad and flat, mouth end position, beardless. Pharyngeal teeth comb-like. Inhabiting the middle and lower layers of the water, feeding on water plants. 3-4 years old mature, spawning in the upper reaches of the river, can be artificially reproduced. It grows fast, and the largest individual reaches about 30kg. It is the main freshwater fish culture object in China. Distributed in China's major waterways, the meat is flavorful, but the bile is poisonous.
Morphological Characteristics
Grass carp-meat is tender and not greasy, can be appetizing, nourishing inhabited in the plains area of the rivers and lakes, generally preferring to live in the middle and lower layers of the water and near the shore of the area of aquatic grasses. Sex lively, swimming quickly, often in groups for food. Typical herbivorous fish. Overwintering in deep water in dry streams or lakes. Parent fish have anadromous habits during the reproductive season. Has been transplanted to many countries in Asia, Europe, the United States and Africa. Because of its rapid growth and wide source of feed, it is one of the four major fish in freshwater aquaculture in China.
The most famous of China's important freshwater economic fish are grass carp (Ctenopharyngodon idellus), bluegill (Mylopharyngodon piceus), silver carp (Hypophthalmichthys molitrix), bighead carp (Aristichthys nobilis) and other world-famous fish. Nobilis) and other world-famous "four big fishes", although all of them are endemic to our country, the grass carp has been transplanted to all over the world as a pioneer with its unique eating nature and foraging means. Its body is long, slightly cylindrical, and its abdomen is not angular. The head is flat and the tail is laterally compressed. The mouth is terminal, curved and beardless. The hypopharyngeal teeth are in two rows, laterally compressed, comb-shaped, with transverse grooves on the side of the teeth. The dorsal and anal fins are free of spines, and the dorsal and ventral fins are opposite each other. The body is tea-yellow in color, the back is greenish-gray and slightly grass-green, and the even fins are slightly yellow.
The meat of grass carp is sweet, warm and non-toxic, and has the effect of warming the stomach and the middle, which is used by Guangdong folk to steam with fritters, eggs, and pepper, and can benefit the eyes and brighten the eyes. Its gall is bitter, cold and poisonous. Animal experiments show that grass carp bile has obvious antihypertensive effect, expectorant and mild cough suppressant effect. Jiangxi folk with bile treatment of deafness and water and fire burns. Although the gall can cure, but the bile is poisonous, often due to swallowing too much grass carp bile caused by poisoning cases occur.
The poisoning process is mainly toxin action in the digestive system, urinary system, short-term gastrointestinal symptoms, liver, kidney failure, often combined with cardiovascular and neurological lesions, causing cerebral edema, toxic shock, and even death, there is no effective treatment for swallowing grass carp bile poisoning, so it is not appropriate to grass carp bile used to cure, such as the application must be, but also need to be careful.