No need. Fish scale refers to the shell of fish that protects itself from water loss, and is generally fan-shaped. Hairtail has no scales, and the silver part of the surface of hairtail is a layer of silver film, which contains unsaturated fatty acids and lecithin, which can make the skin tender and smooth, improve the nervous system and prevent Alzheimer's disease. It is not scales, so hairtail scales do not need to be scraped.

Hairtail is a fish of the genus Hairtail in trichiuridae of Perciformes, commonly known as saury, leucorrhea, toothfish and so on. Hairtail is widely distributed in the western Pacific Ocean and Indian Ocean, and distributed in all coastal provinces of China, which can warm the stomach, invigorate qi and nourish blood, and help to prevent cardiovascular diseases.