So after some discussion, it looks like I'll be restricted to a light fixture that has mounting legs to sit on the rimless tank. 
 
Second less desirable option is to build a low profile canopy to house the lighting. In which I can ditch the rimless, and will have a way to hide plumbing and get my returns on the opposite end of tank. But won't be as visually pleasing to me. 
		
	
		
		
		
		
			
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