Hey everyone! I have two Betta fish right now, a koi plakat male and a marbled veil tail male. I've had my koi plakat for around a year now and I've noticed that he is no longer koi. He used to have these beautiful vibrant blacks and reds but now he is all dull red. I don't know if he is sick or if I'm doing something wrong. He is still really active but he won't flare anymore. Does anyone have any advice?
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