The bighead shrimp before 17 is called "Gucheng shrimp". This is a thing of the past. Macrobrachium nipponense is a very popular food in the ancient city market, and restaurants and families often regard it as precious seafood. Macrobrachium macrobrachium is widely loved because of its delicious meat and rich taste, but it is also regarded as a luxury because of its relatively high price. Macrobrachium nipponense, also known as prawn, spotted prawn or prawn, is a common seafood ingredient. It has a big head and a big body, so it is named "Big Head Shrimp". Macrobrachium giganteum is a crustacean with a hard shell and ten legs. Living in marine and freshwater environments, it is common in tropical and subtropical regions.