im sure it could be but last time they had fungus I didnt notice much itching. tench is really scuffed up the now from it and fins are a bit tatty, poor wee bugger.
im using protozin just now.
doubting white spot as its very hard to see, looking side on you wouldnt know there was a problem looking at him front on you can see it down his side.
wouldnt worry about this he's just resting after a long night of being super active.
mouth has always been like that