Mostly its just a space savor by volume and it has more presence in the room especially if you have a wood canopy its so tall it commands attention. Also rather then having to look downward at the fish, they are more eye level especially disk shape fish that like to hang out in the top middle. You might say a tall tank is beyond show, and more display but not necessarily practice for fish need application i.e. fish breeding exc. Its the kid of tank you'd want in a dealership, doctor or lawyers office, its the big screen of aquariums.