dont take this the wrong way but it looks to me like that picture has been altered. If you look at the tail fin it deffinatly looks like it has been colour masked. I have used Photoshop for years and I can tell when a picture looks altered.
It may just be the camera or something, but the other betta (no.8) does not look at all modified which makes me suspicious...... but I would like to see pictures when he arrives to see if he really is those beautiful colours.
Ben