How soon is too soon to tell if you have a "potential" mating pair of cichlids? My 4.5 inch FH appears to be a male and I have a 1.5 inch Texas that looks to be female. I have 2 tanks at the moment and good number of different cichlids. These 2 happen to be in the same tank and swimming side by side at times. All of my other CA/SA cichlids of different species aren't usually this friendly with each other. In fact, this is the 2nd FH I had in the tank with the Texas and the previous FH pretty much terrorized anything that moved. Granted, currently at only 1.5 inches; Texas Cichlids get pretty big so I wasn't sure if this is potential mating behavior or not.