have you ever vented them to be sure..? This is the only true way of knowing.. even patterns and fins are not always accurate.. they are merely quesses ... it is easier to correctly after they are mature.. but still a quess... if you know for certain only one has been laying eggs then most likely a male.. but my thoughts are pointing in the direction that you have two girlsView attachment 414335Two beautiful jags..fastcarsnbigfishies;3509181; said:I've wondered if it is two females, but their patterns fit male/female patterns (I think). Maybe it is the water. My TDS are like 215 out of the tap, I am going to use ro/tap mix for my discus pairs maybe when I start that I will try it with them too.