Hi all....i dont know if i have done the right thing for my arowana....he is about 16" and was in my 6x2x2, and ive decided to sell the tank, so i sold the tank only to discover that they are just goning to shove my arow in a LFS tank, so i kept the arow and sold the tank, until i find a good permant home for him.....but he is in a small tank (40x18x18 bow) so im thinking if i should of let him go with the tank?????.....did i make the right choice? ive had a few offers for him....but the tanks have only been 5x2x2 and 4ft.....thanks guys