1 The reason why prawn is called prawn: This kind of prawn is big, and it used to be named after calculating the selling price by "one pair" in the northern market. Generally, the catch of non-cultured China prawns by sea is 30g-50g, and the larger the size, the rarer it is.

2. Prawn is not named because it is often accompanied by a female and a male in pairs. The name of prawn is because this kind of prawn is big. In the past, the price of prawn was often calculated by "a pair" in the northern market. Fenneropenaeus China, also known as Penaeus orientalis and Penaeus China, belongs to Arthropoda, Crustacea, Decapoda, Penaeidae and Penaeus.