5 ESSENTIAL ELEMENTS FOR KOI FISH VS GOLDFISH

I’ve never owned a koi betta just before and I used to be thinking if it’s normal for them to alter colors quick? I’ve had my Galileo for nearly two weeks and in that point he’s gotten darker which is now switching being lighter.Goldfish do far better at around the 18-20C mark whilst tetra and betta would not be extremely satisfied Hence th