2, tear open the mouth, the left hand pinches both sides of the fish spines, the fish belly up, the right hand with the thumb, forefinger pinch off the two gills connected to the place, and then pull hard to the direction of the tail of the fish, revealing the fish's internal organs, the first to take the gills, and then pinched off the fish intestines, all of a sudden can be very easily cleaned out of the intestines and the belly.
3, if the fish is still alive, you can use a towel wrapped after the fall stunned it and then kill, or directly wrapped with the back of the knife to shoot stunned.