long fin red minor tetra

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  1. CoryLover95

    Fin Rot/torn Fins Treatment

    Hi, I have a serpae tetra that I just bought from the pet store a few days ago.  I noticed that its fins are looking ragged, and it seems to have gotten worse over the past day or two.  Do you think this is fin rot?  Or aggression from a tankmate?  I haven't noticed any aggression, but of course...