There are two kinds of salted Spanish mackerel, one is chub and the other is swallow. There are two kinds of Spanish mackerel, one is chub, and the other is goby. The former is smaller, with a fish body length of about 25 cm, while the latter is relatively larger, with a fish body length of more than 40~50 cm. We often see few stings in the market, and the meat is thicker, but the yield is relatively high. Spanish mackerel is a marine fish. Many people think that big fish live in the sea as deep-sea fish, and Spanish mackerel belongs to offshore fish. Spanish mackerel has very sharp teeth, fast swimming speed and fierce temperament. In China, most Spanish mackerel are near Bohai Bay, and there are also other areas. In China, the Yellow Sea, the East China Sea and Spanish mackerel like to live in groups and live by eat small fish.