Mackerel: Persea, family Scombridae, genus Mackerel. Mackerel is also known as "mackerel". Common name mackerel, Atlantic mackerel, Boston mackerel. It is also known as the Atlantic mackerel and Boston mackerel.

Morphological features: The body is stout and slightly flat, fusiform, generally 20-40 centimeters long and weighing 150-400 grams. The head is large, the tip of the front like conical, eyes large bit high, large mouth, upper and lower jaw is long, each with a line of fine teeth, plow bone and crotch bone have teeth. The body is covered with small round scales, the back of the body is greenish black or dark blue, and there are irregular dark blue erosion lines above the horizontal line of the pectoral fins on both sides of the body.

Origin and season: It is found in the western part of the Pacific Ocean. It is found in the western part of the Pacific Ocean. There are mainly marine islands, even greenstone, Dasha and sand outside the fishing grounds, fishing season is generally spring season for April to July; fall season for September to December. The South China Sea coast can be caught throughout the year.

Economic value: It is one of the important pelagic economic fish in China. This fish is widely distributed, fast-growing and highly productive. Fish meat contains 21.4 grams of protein and 7.4 grams of fat per 100 grams, the meat is solid, in addition to fresh food can also be salted and canned, and its liver can be extracted cod liver oil.

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