Fig. 4From: Effect of transporting Oreochromis niloticus in water with and without sodium chloride on skin morphology and some immunity-related genes expressionScanning photographs for O. niloticus skin fish from PT-S group taken at margination (x500 & x1000) showing no or slightly clear goblet cells openings with cell debris (red arrow) and white patches may represent thickened surface (yellow arrow)Back to article page