Tung fish is not a Spanish mackerel.

The scientific name of oil drum fish is Qingzhan fish. Qingzhan fish has high nutritional value and is an edible fish loved by the masses. According to measurements, every 100 grams of edible part contains 21.4 grams of protein, 7.4 grams of fat, 20 mg of calcium, 226 mg of phosphorus, 2.0 mg of iron, 0.03 mg of thiamine, 0.29 mg of riboflavin, and niacin. 9. 7 mg. Pregnant women, teenagers and children eat more to help growth and development and improve intelligence.

Mackerel is also called Spanish mackerel, mackerel, mackerel, bamboo mackerel, skewer, native mackerel, and mackerel. Mackerel has a long and narrow body, with a blue-black head and back. Distributed in the western North Pacific, it is native to the Yellow Sea and Bohai Sea in China. It has a long and narrow body shape, with a blue-black head and back. There are blue and black numbers on the upper side