GETTING MY KOI BETTA FISH TO WORK

I bought what I thought was a Koi betta - generally white with a little bit of crimson and black. He has wholly altered colors, and now he's largely blue and black!Goldfish do much better at across the eighteen-20C mark even though tetra and betta would not be incredibly delighted Therefore the goldfish ought to go ASAP, then from the tank you may