The upper surface is usually dull brown in colour with reddish-brown blotches and this fish can change colour to suit its background, providing an effective camouflage.
The upper surface is usually dull brown in colour with reddish. Brown blotches can change colour. This is to suit its background. This fish can change colour. This is to suit its background. Brown blotches are providing an effective camouflage. This fish are providing an effective camouflage.