KOI FISH VS GOLDFISH THINGS TO KNOW BEFORE YOU BUY

I purchased what I believed was a Koi betta - mainly white with a little bit of purple and black. He has completely changed shades, and now he is mainly blue and black!Ich is usually a anxiety-similar issue That always occurs when bettas reside in inadequately preserved tanks. It can also come about if the temperature or pH harmony isn’t of their