One of my red eyed tetras has a large brown spot right behind its gills. It looks like it got burned (maybe got caught behind my heater?). It now has a secondary infection which I believe is a fungus. It has white cottony puffs right around the border of the brown spot.
Anybody have any ideas as to what the brown spot would be? It doesn't seem to be affecting the fish.
Anybody have any ideas as to what the brown spot would be? It doesn't seem to be affecting the fish.
