I think it looks like courting behaviors they have been together since march (7 month), and host a large toadstool. They sleep together at night and explore the tank together. I feed 3 times a day and run my tank temp high. They only clean that spot just next to the toadstool, and its usually when the lights are off or evening time, and have shaking fits clearly getting excited. The dominance has been very clear since I bought them with the black ice being the female and the blacker ice being the male. The females anatomy is also slightly different than the males, she is getting shoulders, like a wider chest in last three months. These observations in addition to the frequency of these cleaning episodes leads me to believe this is more than a dominance display.
D-Nak, do you not believe this to be courting behaviors? If not then what?