Comparative ecological and morphological study of erythrocytes of the Chinese sleeper (Perccottus glenii Dybowski, 1877), silver Prussian carp (Carassius gibelio Bloch, 1792) and silverfin (Hypophthalmichthys molitrix Valenciennes, 1844). NCBio. 2025;8(2). doi:10.29038/NCBio.24.2-13