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			#1  
			
			
			
			
			
		 
		
		
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			 Odd I have tons of these things but they don't harm anything in my tank. 
		
	
		
		
		
		
		
	
		
		
	
	
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			#2  
			
			
			
			
			
		 
		
		
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			 From what I read some do some don't. The ones I have do. They sit right on the polyp and stay there until it's gone and when you have 10 or more in each colony it destroys the colony pretty quick. I didn't  have any problems with my asterisk stars for a few years then they started going after all of my zoas so I need to cut there population. 
		
	
		
		
		
		
		
	
		
		
	
	
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			#3  
			
			
			
			
			
		 
		
		
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			 Wai's Aquarium in Calgary usually have them in stock, just in case you make a trip down here. 
		
	
		
		
		
		
		
	
		
		
	
	
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