think of the hair clogging the power heads and pumps. the cost of keep up and time invested would just be enough to break a person. not to mention im guessing simular to a sea urchin they would re-aquascape your system the way they want it whether you like it or not.  
 
i think i would pass all in all some things should be left in thewild to fend for thier own. 
		
	
		
		
		
		
			
		
		
		
		
	
		
		
	
	
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