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|   Well my Yellow Coris is definitely reef safe, he's been in my system for over 5 months and is only about 2" long. With his tail fin making him longer than my clown. He hasn't grown either. I plan on getting a Leopard Wrasse about the same size as him. As it takes time for them to out grow the tank, and I have plans to upgrade. | 
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			#2  
			
			
			
			
			
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|   Another reef safe and very colourful fish for a 30 Gal is a Royal Gramma, another option is an Orchid Dottyback. A Personal fav of mine is a Pistol Shrimp/Watchman Goby pair, they are a very cool addition to a small tank. |