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...
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