The body is light brown, with 6 ~ 9 teeth on the upper edge of the frontal angle and no teeth on the lower edge. There is no central sulcus, the whip on the first antenna is about 65438+ 0/2 of the head and chest armor skill, and there is a longitudinal ridge on the back of the 1 ~ 6 abdominal segment. The swimming limbs in the abdomen are bright red, the male joint is Y-shaped, the female joint is C-shaped, and the central plate is table-shaped. The maximum total length can reach 19 cm. Shrimp in coastal shallow water has the advantages of strong omnivory, wide range of temperature and salt, rapid growth, strong disease resistance and so on, and is resistant to hypoxia and has the habit of diving to the bottom. Because of its thin shell and fat body, tender and delicious meat, it can be sold alive and is favored by consumers. It is an excellent variety of "light shrimp culture".

Production season: mainly distributed in the east coast of Japan, and also widely distributed in the coastal waters south of Shandong Peninsula in China. The Philippines, Malaysia, Indonesia and Australia are also distributed. May to August is the peak season for spawning along the coast of China.