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					Originally Posted by  VFX
					 
				 
				It really depends on which ones you're thinking of. 
 
Some may cross hybridise in the wild, others could be aggressive towards conspecifics. 
 
Size also matters sometimes.  2 different species of butterfly may liver happily together if they are similar size but if one is much smaller it may get harrassed to death.   
 
Probably best to give a list of the ones you're thinking of & then people with experience of the could chime in. 
			
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 +1, this echoes what I've heard and read about as well.
I've heard that the saddleback (C. ephippium) is fairly aggressive for a butterfly, for example .. which is too bad as it's a stunning fish, would love to try one some day.
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					Originally Posted by  rayjay
					 
				 
				I had no problems other than normal fish only tanks  with a Raccoon, Auriga, Pakistani, Longnose, and an red tailed checked  (actually the tail was orange) in a 90. 
			
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 Man that's my dream FOWLR right there. Any pictures (please and thank you)?
Also quick question but what's the difference between a Pakistani b/f and a red-tailed checkered b/f? I thought these were the same fish?