Another post in large red lettering, this time about tank sizes for tankmates.

[Olympia]

I don't see why people want other fish in with betta. Mine are doing so much better not being harassed by the betta anymore. I can keep my betta at a much cozier temperature now anyways.
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[BeckyFish97]

I have always kept my female betta's in a community tank and they have always been happy there...
I'm not sure if I said this before but the catfish in gandalfs tank are only a temporary measure to see if the company (I know he isnt lonely) might distract him from tail biting

[Atena]

I have a 2.5 gallon and wouldn't dream of putting anything in with Guppy... He tends to be very aggressive so I don't think he would be happy with a community, no matter how big the tank. He would freak out. But his sister Bubbles has a completely different personality, she is a much smaller fish and very curious. She actually likes change and I think she would do well with company, but not in the small tank. That is is an only fish size. I know some people keep companion fish in a 5 gallon and they are just fine. They do have live plants though so I suppose that helps with the bio load.