Lol never knew walmart could have these beautiful betta fish, when I choose my bettas, petsmart is alot cheaper than my petco but the bettas look small, probably still young, and not as colorful as petco. The halfmoon cost $9 at petsmart and $18 dollars at petco. I also think petco has more selections to the betta, I have a red crowntail with blue colors on some of his tails and body. He has a dark black face, but not as dark black as yours. Btw I think the dark face ones are usually more strong and healthy and aggressive. so I can imagine how yours is.