Clownfish disease?

[Oliver94]

Hello everyone! I hope you are having a great day! Hold on the we is here!
Last thursday I bought 3 clarkii clown.
2 days ago I have seen spots on one of them,and these spots formed a coat on its body,and then this monring it looks like this,the second clown is also beginning to show sign..

I begun treating with sera costapur yesterday which has malachite green oxalate,formaldehyde

Today the disease didn't stop developing yet
This is my clown this morning :
Any id please? Clownfish disease?


image hosting over 10mb

Thank you in advanced.

 

[Oliver94]

This clown is dead this afternoon,I still have 2,the one that is showing sign of the disease,has gone through a freshwater dip,once done all the parasites on his body disappeared. I hope tomorrow morning he will stay as he is,not more parasite on him