I have a small female betta and I am wondering if I could keep her with two same sized male guppies without any problems. She seems to be very peaceful if that helps.
Guppies can fin nip, be careful even if it is a female betta.
My concern would actually be the opposite: it would be that the female betta may nip at the male guppies fancy tails. I see that you did say that the female betta is peaceful so I would give it a shot.I've housed female bettas with female guppies with no problems in the past. Good luck!
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