They should be large, neatly layered along the body, evenly shaped and should have a radiant colour.
The Fins (Dorsal, Pectoral, Caudal, Anal)
Should spread open when swimming and appear to be smooth with no tears.
The Gill Covers
Should be circular in shape, compact and close to the head and body free from scars, scratches or wrinkles. Pay attention to the fish’s breathing. They should be small movements that can hardly be seen.