1, with the scalding method, in order to remove the viscera, the catfish will be placed in 80 degrees -90 degrees of hot water, so that the fish body mucus will solidify, the mucus can be cleaned off.

2, the method of rubbing with salt, with salt constantly scrub the fish body mucus, until completely remove all the mucus on the fish.

3, using baking soda to catfish scrub mucus, the overall effect is also very good. When all the mucus is removed, it needs to be cleaned again with water.