HOW KOI FISH GOLDFISH CAN SAVE YOU TIME, STRESS, AND MONEY.

I purchased what I assumed was a Koi betta - largely white with a small amount of crimson and black. He has totally changed hues, and now he is typically blue and black!Goldfish do superior at around the 18-20C mark whilst tetra and betta wouldn't be pretty content Therefore the goldfish must go ASAP, then in the tank you can have one betta and 6+