I can't take good tank photos but here is one. Yes, the glass could use some cleaning
Well, I found a little trick to get these guys to show their stuff more. A mirror in the tank.
You can see by his reflection that he is showing off for the mirror. It is amusing watching them get frustrated...they would clamp their fins and "shimmy" and turn and see that their rival thought nothing of it
Since I did a bit of trimming the dominate male has been out a bit more. He surprised me by coming to take a look at his reflection in the mirror. These photos do him no justice. This pose is him in between bouts of doing that "shimmying" display that is hard to describe...but anyone who's kept these probably knows what I mean.