The difference between blue cats with gills and those without gills is the face shape. The face and chin of blue cats with gills are fuller and rounder, and the cheeks look more bulging; while the face and chin of blue cats without gills are sharper and the gills are more pointed. The chin is a bit slumped, and it may not look as cute as the blue cat with cheeks.
Tips:
Cat gills are generally affected by genes and breeds. Male cats are more likely to have gills. Usually, Pay attention to supplementing nutrients for cats, which can help cats grow their cheeks better.