"Silvery scales" refers to the shiny and metallic-like plates that cover the bodies of certain animals, usually fish, giving them a silver color. Full definition
The monolithic unity of this image leads gradually on to groupings of similar structures — precious photos mostly in the same silvery scale of greys capturing small models in clay and wood hand made by Conrad. (hamptonsarthub.com)
The build - up of extra cells forms patches of red, itchy skin that are covered with silvery scales and can range from a few spots to major flare - ups that cover large swathes of skin. (sciencedaily.com)
Because there are so many of them, they cause raised, red patches covered by silvery scales when they reach the surface of the skin and die. (sciencedaily.com)