The Definitive Guide to koi betta fish
It is not advised to maintain male Koi bettas with females or other fish that resemble bettas, like guppies, given that This tends to cause aggression and territorial behaviors.Dec 30, 2016 #7 I'd a female for months, yellow koi, she didn't transform a lick. Red is a lot more likely to adjust quicker. It would be really not easy to get one to help