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I'd say it is a male too. Hard to tell if you just picked it up though. Females usually have the bright pink bellies like the one in the picture. Not always a fool-proof way of sexing them but usually works for me.
You're going to want to rehome one of the males. Once the female chooses a male to pair up with, it's gonna be hell for the other male. Once breeding, female Kribs turn into evil little fish.
Sorry, I was assuming since you didn't know the name of the fish you didn't know how to sex them. They are the opposite of most typical tropical fish. The males are less colorful than the females.
Good luck with your pair! They turn into nasty little critters when they spawn.