<a href=showthread.php?s=&postid=11978380#post11978380 target=_blank>Originally posted</a> by frankrip
Is it attached to the body or the pelvic fin?
<a href=showthread.php?s=&postid=11978394#post11978394 target=_blank>Originally posted</a> by elegance coral
It could be a fungal infection from a wound. Is it a new fish to your tank? Sometimes this can happen when a fish losses a scale or two from being netted.
<a href=showthread.php?s=&postid=11978407#post11978407 target=_blank>Originally posted</a> by Tony25
My friends yellow tang has that on his back fin. Think its fungal.(its not ick)
<a href=showthread.php?s=&postid=11978463#post11978463 target=_blank>Originally posted</a> by The_Browns
How do you get rid of it then? Suggestions
<a href=showthread.php?s=&postid=11978672#post11978672 target=_blank>Originally posted</a> by austinvanover
Looks like lymphocystis to me as well. Knock on wood I have never had a tang with it but other fish and it does not seem to affect them to much, just a while to recover.