"mystery snails" can be a few diff. species of snails, usually Briggs or Cana's. Cana's are larger, golden or brown and WILL eat plants. Briggs ( applesnails) are yellow,blue,pink,white, or purple are will not eat healthy plants. I think your ok keeping either in a tank with livebearers. 
		
	
		
		
		
		
		
	
		
		
	
	
	 |