I have an angelfish that has a red thing over her fin on her body, it was never and issue till one day it split her fin in two, I'm not sure what it is or how to fix it, I do weekly water changes and haven't moved her in a while so I don't know how this happened ![ImageUploadedByAquarium Advice1431275211.404173.jpg ImageUploadedByAquarium Advice1431275211.404173.jpg](https://www.aquariumadvice.com/data/attachments/232/232797-929ef448054f32ffc48e7020476d1949.jpg)
![ImageUploadedByAquarium Advice1431275235.069469.jpg ImageUploadedByAquarium Advice1431275235.069469.jpg](https://www.aquariumadvice.com/data/attachments/232/232798-6d8283dd4b7175f3ac223d9063f5d662.jpg)
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![ImageUploadedByAquarium Advice1431275235.069469.jpg ImageUploadedByAquarium Advice1431275235.069469.jpg](https://www.aquariumadvice.com/data/attachments/232/232798-6d8283dd4b7175f3ac223d9063f5d662.jpg)
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