JacobB Posted November 20, 2021 Share Posted November 20, 2021 About a month or so ago I noticed one of my tetras was missing half of its tail fin. There was also a white lump at the base of its tail fin (almost looked like a bone was sticking out) and a white lump at the base of its top fin. The tail fin eventually started to regrow but the lumps remained. Yesterday I noticed that the other half of the tail fin is now gone and now only the regrowing one remains. Does anyone know what this could be? I attached a picture of the tetra. Link to comment Share on other sites More sharing options...
Fish Folk Posted November 20, 2021 Share Posted November 20, 2021 Oh boy... that looks like either fin rot, fungos, or a combination. I'd be treating with API Fin and Body Cure in a quarantine tank if at all possible. Link to comment Share on other sites More sharing options...
JacobB Posted November 20, 2021 Author Share Posted November 20, 2021 Thanks for the reply. Do you think kanaplex would work as well? I already have some. What’s weird is that the fish doesn’t seem to be acting sick. It has survived for over a month with the white lumps staying about the same size. I would think the infection or rot would have spread more and killed it instead of it regrowing a fin. Link to comment Share on other sites More sharing options...
Colu Posted November 21, 2021 Share Posted November 21, 2021 Kanaplex is very effective at treating fin rot as most cases are gram negative Link to comment Share on other sites More sharing options...
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