Got six GATF from Wesley Wong about 3 months ago at 3".  Currently at 6"-7".  Gotta feed them regularly or they take down tank mates:
	
		
	
Full video with all the current tank mates:
	
		
	
				
			Full video with all the current tank mates:
 
	 
	 
 
		
 
		  
 
		 They appear to have a fast metabolism.  I am estimating they eat about 1/10, might be a little more, of their body mass each feeding at their current size.
  They appear to have a fast metabolism.  I am estimating they eat about 1/10, might be a little more, of their body mass each feeding at their current size.   
 
		