I have a pair of clownfish, one of them on the left gill plate started to get this, dark spot, almost looked like a small hole, well it got larger to almost a pencil eraser, and now it has a Fluffy white looking coating, that is flapping around like a scab over it, this has all happened in about 2 weeks, clown showed no signs of disease, prior, Any suggestions? thanks here is a pic albiet a terrible one
