Rinse the fish with water at 70-80 degrees Celsius, which will not only wash away the mucus, but also remove the fishy smell. Knead the flour and then wash it with water. Secondly, rinse the fish with water at 70 degrees Celsius, which will not only wash away the mucus, but also remove the fishy smell.

Just sprinkle a little salt on it and rinse it with clear water after 5 minutes, and you can get rid of the unique mucus on this fish.