betta (female) elephant

I was at Petco earlier and stopped by the betta shelves and noticed one of them seemed especially sickly. Seeing her in such a sorry state tugged at my heartstrings a bit so I bought her in the hopes that I could help her or just give her a nice place to rest in her final days. I’m trying to...

Hi all, Recently purchased this betta. She is listed as a female, but I am not so sure. Would really appreciate any help with this.

Hello, so I have a betta fish and she has a tear on your fin and it’s been weeks and it won’t heal. I saw at the store they have API betta fix and I was wondering if I should try that. I think it’s just tea tree oil. Also, there’s brown spots all over my fake silk plants. Could it be something...