Oilfish is a dish. Fried hairtail is called oily hairtail. Oil hairtail is different from ordinary hairtail, because ordinary hairtail does not need to be oiled. The meat of this kind of hairtail is thicker and contains more fat. Ordinary hairtail is suitable for steaming, but fried or braised is not very delicious.

Oilfish is not a wild hairtail, it is an ordinary hairtail from the sea. This kind of hairtail grows larger and has more oil on its body. It is usually processed before being sold, so it is called For oily hairtail fish. Hairtail fish not only has a relatively high fat content, but also is very rich in unsaturated fatty acids.