Ok, I rescued a girl about 2 weeks ago and had her with another rescue girl that I got the same day. Well I seperated them once I was told that stripes were a sign of agression. After they were seperated I noticed that one had some missing finnage in the back... not bad at all, barely noticable, I assumed maybe she had been nipped. Well now about 5 days of her being on her own she absolutely none or very little fins left on the back and the top. I don't know if this is fin rot or what. It's so close to her body now that I'm afriad it will keep going if it's not just nipping~~~Is it possible that she is biting her tail. It doesn't seem likely b/c she is so small, and maybe I'm just hoping that's what it is. Any help would be appreciated. Should I add salt and melafix? Sorry about the pic quality, those were the best I could get.
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