Is swordfish a freshwater fish or a sea fish?

Swordfish is a kind of very delicious fish, the meat is delicate, fat but not greasy, so it is loved by many people. So is the swordfish a freshwater fish or a sea fish?

Is the swordfish a freshwater fish or a sea fish?

Swordfish are freshwater fish, which spawn and migrate from the sea into rivers and their tributaries or lakes from late February to early March every year. The hatched young fish go down the river, live in the estuary or brackish water, and grow and fatten in the sea the next year.

Due to the increasing pollution of the Yangtze River and excessive fishing, the production of swordfish has decreased year by year. The swordfish is narrow and thin on the side, quite like a sharp knife, silvery white, tender flesh, but many fine hairy bone spurs. The meat is delicious, fat but not greasy, with a slight fragrance. After the Qingming Festival, the meat of swordfish becomes old, commonly known as Lao Dao.

Second, the nutritional value of swordfish

The fat content of swordfish is higher than that of general fish, and most of them are unsaturated fatty acids. This fatty acid has a long carbon chain and has the effect of lowering cholesterol, so it is an ideal nourishing food for the elderly, children and pregnant women. Swordfish body scales and silver oil layer also contains an anticancer component 6-thioguanine, which is beneficial to the adjuvant treatment of leukemia, gastric cancer and lymphoid tumors. Swordfish is rich in magnesium, which has a good protective effect on the cardiovascular system, which is conducive to the prevention of hypertension, myocardial infarction and other cardiovascular diseases.

According to ancient Chinese medicine, swordfish has the functions of nourishing liver, dispelling wind and stopping bleeding, which is effective in the treatment of bleeding, sores, carbuncle swelling and other diseases. Knife fish scale is the raw material of antipyretic pain tablets and anti-tumor drugs. Scales contain a variety of unsaturated fatty acids, which can lower cholesterol. Swordfish is suitable for people with chronic illness, blood deficiency, dizziness, shortness of breath, lack of energy, lack of food, and malnutrition. It can not only appetizer, but also moisturize the skin and beauty.

Although the meat of the swordfish is delicious, the production has declined in recent years, and the price of the swordfish is more expensive.