Is it normal for koi bettas to change color?

VioletThePurple

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When I first got her, she was labeled as a koi betta and had the colors of one. Now, like half a year later she has turned pink and blue. Her colors don't resemble a koi fish anymore and I'm confused.
 

betta4ever!

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Kois are marbles. So yep, they do change colors. Not only while they grow, but for their hole lives.I find that pretty cool. Also.... We'd love to see your girl!!
 

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