Should I be worried?

[jthill]

Just noticed this black short stringy stuff on my JD. I have no idea how long he has had it because he is usually a lot darker in color. Anyone seen this before or am I over reacting?

 

[jthill]

This picture was taken a half hour after the first one. This is his usual color.

 

[davidefc]

whos in the tank with him and he could or burt or grazed it on something, hope every think heals good and nice jd

 

[Tokis-Phoenix]

Looks like the fish has anchor worms;

http://www.fishpalace.org/Desease.html#Lernea


Treat with an anti external parasitic med like Jungle Parasite Guard