hey guys. i have 2 cichlasoma ornatus from rapps that i got about a year ago. they are roughly around 7". i purchased them at around 3.5 he tried to vent them to tell them apart at that size but there were no guarantees. now that they are double that size, i believe i have 2 males. they look same anyone know how to tell them apart? im on the hunt to get a female!!