There are many kinds of shrimp in Dalian market, which are generally divided into sea shrimp, cultured shrimp (and raw prawns) when merchants introduce them. In fact, there are four kinds of shrimps available in Dalian market, each with its own characteristics and different tastes.

Big head shrimp, Guangdong dialect, means to describe a person's carelessness. Generally speaking, a person is always forgetful and says that he is a "big head" or "big head shrimp", not that he has a big head. Because nouns are cute in pronunciation, they also have some coquetry and helplessness. Macrobrachium giganteum, another name of Macrobrachium rosenbergii, is a dish.