Fig. 3
From: Surface morphology of the oral cavity of redbelly tilapia, Coptodon zillii (Gervais, 1848)
SEM photograph shows the upper valve (UV) in view (a) and its magnification in views (b and c) to show taste buds on highly elevated epithelial protrusions (red arrowhead) and the palate (Pa) in view (b) to show the presence of depressions (d) and the epithelium appeared like fish scales (blue arrowheads). UCT- upper caudal teeth, UV- upper valve