scales and gills
All fish (even sharks) have a body covering of scales.
Scales.
Scales
Scales or skin
A Guppy is a tropical fish, and has an outer covering of fish-scales.
Like most fish, piranhas have scales covering their skin.
The body covering for a fish is called its scales. Scales on fish vary by size, color, number, and shape by species.
cool
hair
it varys
Most bony fishes have scaly covering on body as Labeo .
A guppy is a tropical fish, and is covered by fish scales.