Hey everyone, I'm looking for some help identifying these smooth, non-cauliflower growths on the belly of one of my ranchus (see pics/video). I've had this fish for a year with no issues, but these popped up about 2 weeks ago.

​It’s only affecting this specific fish. I did add new fish a month ago, but all the other fish (both old and new) are completely unaffected, active, and eating properly.

​Here is my setup:

​Tank: 55 gal bare-bottom

​Stock: 4 juvenile ranchus

​Filtration: Fluval 407, 4 medium sponge filters, inline UV light

​Temp: 24.5 – 25°C

​Parameters: All fine, though Nitrates hit ~40ppm by the end of the week

​Maintenance: 1x 80% water change weekly (water tested and treated)

​Diet: 3 meals a day

​Does anyone know what this might be (tumors, carp pox, etc.) or how I should go about treating it? Any advice is greatly appreciated!



Posted by Environmental_Bar_23

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