I just got the first "real" fish for my tank (it currently has a group of danios used to get a slow cycle started). He is a stunning peppermint bristlenose adolescent male, just starting to get his bristles in. I adore him. He will also be my most expensive fish, at AU$45.
I have seen peppermints with a really vivid white line along their tail and top fin, but he has a sort of dirty white line that bleeds into his black - do you think this will come with age, or is it individual fish-to-fish?