The upper and lower edges of prawns are serrated, the individual is larger than the general prawns, and the shell is thin and blue or brown. Males are smaller than females.

Shrimp has migratory habits. In China, the main branches are in the Bohai Sea and the Yellow Sea in the east. Shrimp lives near the sea, especially on the muddy or sandy seabed.

To catch prawns, you should use a hand pole of about 6 meters, usually with a single hook or a double hook. Worms used as bait sank into water about 5 meters deep. At the beginning of low tide, fishermen can raise their fishing rods and wade in the water. In addition, they can fish by hand, prepare a few fishing lines, and copy them down in time with a handwritten net after fishing.