Those are beautiful fish. Do you find that they flash at each other with only males in the tank? I'm trying to figure out if the flashing behaviour is tied to courtship or if it's a display thing they do towards other males.
If I can find a harem, I'll get Paracheilinus flavianalis. I will be sacrificing some fish space for less 'showy' fish, but I will hopefully be able to witness some more natural/frequent courtship behaviours.
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