I would say female too but its hard to tell. It looks stressed try to get a pic of it when its relaxed, defendiing or eating. The biggest sure sighn is a black blotch on the gill cover. It will be in the lower corner opposite the eye. I can't tell for sure if there is one there I'm on a phone and the pictures are small. But based on the dark looking area there I would say female. Once again I'm not 100 percent because the fish is stressed though.