Hi,i have a little problem that has make me think all day about it.my fire eel have kinda like little whitespot on its skin.is this a disease?i can't post a picture because my mobile phone have a terrible picture solution.it's look like an ich to me.but if it's an ich,my other fish should have some whitespots too,but the fact is all of my fish doesn't have whitespots.can you guys give me some advice?