Original: Its common name derives from the animal 's silvery light gray and blue color , combined with the fish-like appearance of its movements , while the scientific name indicates the silverfish 's diet of carbohydrates such as sugar or starches .
Simplified: Its common name comes from the animal 's silvery blue color , combined with the fish-like appearance of its movements . The scientific name indicates the silverfish 's diet of carbohydrates such as sugar or starches .