We all know how difficult it is to identify the sex of these fish, so please post a picture in here and we'll try to help you (or at least give an educated guess!).
AndrewC,
It dose look like a young male but will be more sure when He? is a little larger may be 2 or 2.5".
By the way , wht is the pink colour on the white stripes in the second photo?.
Des.
Des
The pink only shows up on the image, can't see any pink on him in the tank.
I did use Photoshop Elements to enhance things, maybe it happened when i enhanced the colours using Photoshop.