How do carp distinguish between males and females?

1, the head is different

The head of female fish is slightly narrower and longer; The male fish head is wide and short, with a slightly protruding forehead.

2. Different body types

The female fish is short and plump, and her abdomen is swollen. The closer she got to labor, the more obvious her abdomen became. The male fish is slender.

3. Different pectoral fins

The end of female pectoral fin is round and large; The end of the pectoral fin of the male fish is slightly small and round, thick and tough.

In the breeding season, the difference between female fish and male fish is very obvious. The male fish has some small white granular protrusions on the pectoral fin and the first fin of the gill cover, which is called "idolization". After the breeding season, "idolization" disappeared on its own.

4. The abdomen is different

Koi fish has a plump abdomen, while koi fish has a flat abdomen. This feature will be particularly obvious in spring.

5, the difference of reproductive hole.

The female koi fish protrudes outwards, a little wide, while the male koi fish is sunken inwards.

The male fish's reproductive pore is small and concave, and milky semen flows out with a gentle press of his hand; Female fish's reproductive pores are slightly wider, flatter and more prominent, and the eggs are discharged by gently pressing the abdomen with her hands.

6. Oviposition behavior

The easiest way to distinguish between male and female fish is to watch the spawning action. Female fish swim constantly during spawning, attracting male fish to catch up. ?

To sum up, gender judgment can be summarized as follows:

Non-breeding season: the female fish has a wide body, a high back, a small head, a large and soft abdomen, a small and round pectoral fin and ventral fin, a flat or slightly prominent cloaca with radial folds; The male fish has a long and narrow body, a big head, a small and hard abdomen, a large and sharp pectoral fin, a slightly concave anus and no parallel wrinkles.

Breeding season: the abdomen of female fish is soft and round, and the anus and reproductive pores are large and slightly red; The abdomen of male fish is small, gill cover, chest and ventral fin have obvious accessory characteristics of "idolization", anus and genital hole are sunken, not red and swollen, and milky semen flows out when the abdomen is lightly pressed.

Extended data:

Carp, also known as carp muscle development, carp seed, Russian hair and red fish in Chinese. A thick brown fish of CYPRINIDAE (CYPRINIDAE), whose scientific name is carp. Originated in Asia, introduced to Europe, North America and other regions, omnivorous.

Carps have huge scales and two beards on each side of the upper palate. They live alone or in groups in ponds, lakes and rivers, with quiet and overgrown mud at the bottom. There is a habit of migration in small waters.

The value of carp:

1, nutrition

Carp not only has high protein content, but also has good quality. The digestibility of carp can reach 96%, which can supplement essential amino acids, minerals, vitamin A and vitamin D; Every100g of meat contains protein17.6g, fat 4. 1 g, calcium 50mg, phosphorus 204mg and multivitamins.

The fat of carp is mostly unsaturated fatty acid, which can lower cholesterol and prevent arteriosclerosis and coronary heart disease. Therefore, eating more fish can lead to a long and healthy life.

Carp is sweet and flat, and enters the spleen, kidney and lung meridians.

Has the effects of invigorating spleen, regulating stomach, inducing diuresis to relieve swelling, promoting lactation, clearing away heat and toxic materials, relieving cough and lowering qi.

Is beneficial to various edema, edema, abdominal distension, oliguria, jaundice and galactorrhea.

Suitable: Carp has a good therapeutic effect on fetal movement and pregnancy swelling of pregnant women. Chinese medicine believes that all parts of carp can be used as medicine. Carp skin can treat fish stalks; Carp blood can treat mouth-eye deviation; Carp soup can treat children's body sores; Carp has special effects on edema and fetal movement of pregnant women.

Bogey: According to folk experience, carp is wool, and there is a thin line on both sides of carp, which should be removed when cutting and washing. Patients with malignant tumor, lymphoid tuberculosis, lupus erythematosus, bronchial asthma, mumps in children, thromboangiitis obliterans, carbuncle, furuncle, urticaria, skin eczema and other diseases are all taboo.

Step 2 look

Watch koi fish being farmed all over the world. Japan is the most advanced, mating with beautiful carp. Although the colors are different, they all belong to the same category.

Spring is the most active period of human physiological function and metabolism. Spleen deficiency has the greatest influence on the digestive function of the stomach, and people with spleen deficiency are most likely to get sick in spring. In severe cases, there will be symptoms such as loss of appetite, bloating, weakness of limbs, and loss of breath due to bowel sounds.

People with spleen deficiency can eat more spleen-strengthening foods, such as Euryale ferox, coix seed, yam, red dates, mushrooms and so on. And carp is the best choice for strengthening spleen and meat in spring. From the medicinal point of view, carp is flat and sweet, which is best for the spleen and stomach.

People with spleen deficiency often boil a bowl of carp soup at home, which can be matched with appropriate amount of yam, Euryale ferox and coix seed. And only drink soup and don't eat meat, 2 to 3 times a week, which will definitely replenish the spleen and stomach.

References:

Baidu Encyclopedia-Carp (Freshwater Fish)

References:

People's Network-Spleen-tonifying carp in spring is the best choice for meat.