I have a 2g mirrored tank that I kept Sushi and then Alex in for awhile (both males). Sushi couldn't have cared less about the mirror, but it stressed Alex out really bad. I came home the first night and he'd lost all colour and was lethargic. I bought him a new 2.5g tank last night and now he's fine. He's regained all colour and is his normal, playful self. 
I've never owned a female Betta, but I did see a couple that I liked at the LFS the other day. I know you can keep a couple of them together as they're not as aggressive as the males, and are usually kept in community tanks. I'm interested in possibly breeding them with my males one day, and was curious how they deal with mirrors. This is a nice tank and I would like to put it to some use. Can I put a couple females in there with some plants for hiding and what not and not worry about them stressing out with the mirror like the males do?
Thanks for your input.
I've never owned a female Betta, but I did see a couple that I liked at the LFS the other day. I know you can keep a couple of them together as they're not as aggressive as the males, and are usually kept in community tanks. I'm interested in possibly breeding them with my males one day, and was curious how they deal with mirrors. This is a nice tank and I would like to put it to some use. Can I put a couple females in there with some plants for hiding and what not and not worry about them stressing out with the mirror like the males do?
Thanks for your input.