Spots on imperator

[phocuz]

Hi!

I bought this juvenile imperator two months ago. Recently I noticed some white spots on its tail. Anyone know what it is ?

http://cowfish.info/images/_DSC0765w.jpg
http://cowfish.info/images/_DSC0772w.jpg

[Steven Pro]

Lymphocystis is a possibility.

[lth03]

Maybe calcium