Poseidon, also known as opium fish, is one of the alias of mackerel, is flat on the side of a halibut, is asymmetric and both eyes on the left. On the eye side the skin is gray or laced, and on the eyeless side the skin is white. The mackerel is a wide variety of species and is widely distributed in tropical or temperate seas, with much production throughout our coastal areas. In particular, the toothfish species are our famous fish species in the Yellow Sea and the Sea of Tombs, as well as other species of halibut, which are season-frequent and delicious, and which contain a high amount of oil and fat, in particular a rich amount of glue on the edges and under the skin。
