There are many kinds of flat freshwater fish, the common ones are Punpi fish, Wuchang fish, silver carp, warble mouth fish and so on, they all have a **** the same characteristics, that is, the body is flat, but long and each has its own characteristics. Punpi fish is the most ornamental value of the flat fish, body color is a major highlight; Wuchang fish is a Wuhan specialty fish; silver carp some places also called fat head fish; warble mouth fish that white, head small mouth warble.