1. The reason why hairtail is more expensive than mackerel is that hairtail itself is a relatively ferocious fish. It feeds on shrimps and squid as its main food in the water. Its sharp fangs make it invincible in every battle, so The meat of hairtail fish is very firm, with high protein content and very little fat content, and the fat is unsaturated and high-quality fat, which is beneficial fat. At the same time, the fish meat is also rich in minerals and vitamins, so it can be used by both children and the elderly. It is a highly nutritious fish for consumption and is naturally popular with the public, while the nutritional value of Spanish mackerel is relatively low.

2. Hairtail meat is delicious and has very few shark fins, but the meat of Spanish mackerel is relatively older and has more shark fins, so hairtail fish is more expensive than Spanish mackerel.