Stun - thanks much. I had 3 bartletts (1 m, 2 f) before the velvet incident. A female was one of the 2 survivors, and she changed to a male when she became the only bartlett in the tank. I'll keep you updated on the 2 females, but I'm crossing my fingers. FWIW I've got a male hawaiin bicolor anthias in there as well, and he is almost identical in bodyshape and coloration to the bartlett male, except the yellow is replaced by orange. There is some aggression between the males, but its intermittent and at other times they are friends. From observing these two interact, I imagine in a large tank, 2 or maybe more male bartletts could co-exist.