I didn't know that triggers were possible in a reef.  I imagine the bio load must be quite high.  
Of the Blue Throat, Pink tail, Niger, Crosshatch & Sargassum Triggers that can be classified as reef safe (but with caution) just as some angels.  Of the 4 mentioned triggers in one considered more reef safe than the others. 
		
	
		
		
		
		
		
	
		
		
	
	
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