cure needed

Hi, I am having my pearl arowana for past 1 year and its always active. Today also i saw at 9.00 a.m it was doing fine without any symptoms of diseased, but when i saw it again by 12.00 p.m it was floating vertical having head up and tail down. I can see the eyes, mouth and gills movement. I...

Yesterday I noticed white dots on my black Platy, however I don't think it's whitespot, because it looks as if it's not on the skin, it's like, hanging on, I don't know. It's eye has a white coat and the white things are as I said, not in the skin, but on it. I looked it up and I found something...