The species classification of Bay Mackerel is the family Bay Mackerel.

Introduction:

Scomberomorus niphonius, Scomberomorus niphonius, family name, local names: Blue-spotted Spanish Mackerel, Striped Swallow, Slate Mackerel, Bamboo Mackerel, Pointed Mackerel, Spanish Mackerel, Green arrow. The Spanish mackerel has a long body with flat sides, bright silver color, dark stripes or black and blue spots on its back, a large mouth, a pointed snout, and sharp teeth. It swims quickly and has a ferocious temperament. It is generally 260-520 mm long, and the largest one can reach 1 It is more than 1 meter tall and weighs more than 20 kilograms. It is distributed in the western North Pacific and is produced in the East China Sea, Yellow Sea and Bohai Sea. The main fishing grounds include the waters off Zhoushan and Lianyungang and the southern coast of Shandong. It is a warm-water pelagic fish that often travels in groups for long-distance migration. It grows rapidly. The length of the harpoon can reach 25-30 cm when young, and the average harpoon length of 1- to 2-year-old fish is 50 cm.

Morphological characteristics:

The body is long and flat on the sides, and is spindle-shaped. The general body length is 25 to 50 cm and the weight is 300 to 1000 grams. The largest individual can reach 1 meter in length and weigh 4.5kg and above. The caudal peduncle is thin, with 3 raised ridges on each side. The central ridge is the longest and highest. The head is longer than the body height. The mouth is large and slightly inclined. The teeth are sharp and large. They are sparsely arranged. The body is covered with small round scales, and the lateral lines are irregularly wavy. There are two black round spotted dorsal fins in the middle of the body. The first dorsal fin is long and has 19 to 20 spines. The second dorsal fin is shorter. There are 8 to 9 small fins behind the dorsal and anal fins; the pectoral and pelvic fins Short and without hard spines, the caudal fin is large and deeply forked.