What happens next?

How to scale a fish
Rinse slime off the fish with cold water.
Before you start trying to scale the fish, rinse it well under cold water. This removes the slime on the scales.

OPT:
[-] Fish can be slippery and difficult to hold, especially when they're still slimy. Rinse it off so you can grip the fish firmly, or hold the fish with a dry cloth or towel..
[-] Fill a small bowl with water and add ice cubes. Add 1/2 cup (59 ml) of milk and 1/2 teaspoon of salt..
[-] Use cold running water or a bowl of ice water to wash the slime off the fish. Be very gentle, as any additional food particles will make the slime melt and leave behind filth on the fish..
[-] If you used your hands, you can remove the slime with soap and cold water again. Alternatively, you can use a washcloth and two squirts of warm water to rinse out slime..
Fish can be slippery and difficult to hold, especially when they're still slimy. Rinse it off so you can grip the fish firmly, or hold the fish with a dry cloth or towel.