Their most common coloring is brown to the reddish brown that you see here. But they can be anything from blue-gray to bright yellow and many shades in between.
They are and ambush hunter, so they are very adept at color change.... using that and their position to blend in with the background around them.
They will even hover just above another fish or align themselves head down parallel to stalks of sea rod coral to set their ambush.
They will use these same camouflage skills to avoid the attention of divers.... but will move away (not ambush) if they sense that we have detected them.
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