Squid tip, Cephalopoda, Squidae. There is a membrane outside the orbit The trunk is conical. The length of the trunk is about four times the width of the trunk. There is a muscular bulge in the center of the male trunk back. The fleshy fin is long, about 3/5 of the length of the trunk, and the two fins are connected in a vertical diamond shape. The length of the sessile wrist is generally 3? 4? 2? 1, 2 rows of suction cups, and the horny ring has 7-8 long plate teeth. The male left fourth wrist is stemed. There are 4 rows of wrist-touching ear suckers, with 2 rows in the middle, and the horny ring of the big sucker has alternating sharp teeth. The inner shell is horny and needle-shaped. Record the maximum trunk length of 0.5m and the maximum weight of 0.6kg. It is distributed in the waters south of Aomori Prefecture, Japan, and in the Yellow Sea, East China Sea, South China Sea and Philippine Islands. The main fishing grounds are in the western waters of Kyushu, Japan, the southwestern waters of the Sea of Japan and the northeastern waters of the east. The annual maximum output exceeds 20,000 tons. The economic value is higher. For fresh sale and drying 1.