My Asian is in a 55 Gal he grew slow but consistant 55 is perfect for him now. 7" now. I call him pretty boy when he was younger he had gold flakes on his body But he is still pretty They swim upside down because they had to adapt to eat off the top of the water where they come from. Fairly rare I have only seen one other which was a little bigger than mine but Not For Sale in a LFS. He eats guppies rosies flake carnivore and massavore.