I have a Front colony so I can't comment on other fish in the tank with him, but I do know my guys do not leave the bottom much. They are rarely in the open. My dominant male runs the center of the tank with the subs and females on the sides and in the back behind rock. I feed krill, bloodworm, and brine (they don't like it too much). They LOVE black worms and LOVE spirulina flake. None of them come to the surface to eat. I use straight spirulina in flat sheets. It sinks pretty well. My guys are NOT active at night. All 20 vanish when the lights go out until late morning. I take that back. The juvies/adults disappear where the babies are up early apparently to watch cartoons. Good luck!
