white lump

Hello, I've had this female dwarf gourami for about 3 months, she's been acting perfectly fine since I got her, however, I few days ago I noticed her hiding very frequently. So I decided to put her in a quarantine tank yesterday to inspect her. I noticed a white lump on her tail instantly. She...

Hi, this is my first time posting so hopefully I get it right. I don't have any testing strips at the moment, but I got my water tested at pets at home recently and they said it was all fine. About 4 weeks ago I noticed one of my neon tetra's had a large white growth on its mouth, and that its...