Actually, I'm going to go with female. It's hard to tell on juvies but the colour, the shape of anal fin and the lack of ventral fins just says female to me.
Her paleness and horizontal stripe indicate that she is massively stressed. Does she have:
- enough space?
- plenty of hiding places?
- a heater keeping the water between 78 and 82 F?
- no water movement or tankmates to stress her?