THE ULTIMATE GUIDE TO KOI BETTA FISH

I bought what I assumed was a Koi betta - mostly white with a little bit of pink and black. He has absolutely altered colours, and now he is largely blue and black!Dec 30, 2016 #seven I had a female for months, yellow koi, she didn't change a lick. Purple is a lot more more likely to change faster. It will be quite tough to get 1 to keep a similar