Sick tang

[taikoboi]

I noticed this on my tang? Any idea what it could be? It's growing on top of his dorsal fin.

Video link (click hd)
https://www.facebook.com/photo.php?v=200664230132370

 

[HumbleFish]

Probably Lymphocystis

 

[Newsmyrna80]

+1 Humblefish...lympho

 

[BlueMac92]

Definitely lympho...