2, wait until two or three days later, catfish body food are emptied. Fish out the catfish, directly head down smash in the board or sink. Wrestling can make the catfish pass out and reduce resistance. If the catfish doesn't pass out after the slam, then it's recommended to hit the catfish directly in the head with the back of the knife to make it pass out.
3. After the catfish passes out, turn the catfish belly up and put two fingers deep into the catfish's gills to rip the gills off. Then take advantage of the hand in the gills to facilitate the force. Twist the catfish's spine right off. Ripping off the gills would allow the catfish to suffocate, while twisting the spine would directly prevent the catfish from controlling its body and prevent it from instinctively struggling. After that, it's time to gut the fish and discard its innards.
4, no matter from the market to buy back to kill the good fish, or their own home to kill catfish. All must pay attention to cleaning, in the cleaning, must be catfish gills, bruises, fat, black membrane removed. Above these debris, all contain a strong earthy flavor, not removed, it will particularly affect the taste.
5, in addition to removing the above things, catfish body surface mucus, also need to be removed. Can be in the catfish body surface, sprinkled with some salt particles, after the catfish in the whole body evenly coated, to give the catfish to do a full body massage. The salt, will remove most of the slime from the catfish's body.
6, if you think with salt, the removal of mucus is not complete. You can use flour or starch, scrub on the catfish. Especially some edges and corners of the place, do not let go. After that, rinse it with water again. All the slime on the surface of the catfish will be removed. When cooking catfish, remember to put some cooking wine, which can also effectively remove fishy.