What's wrong with my big GT?

hulk181

Gambusia
MFK Member
Jul 23, 2012
183
2
18
Cerritos CA
I noticed that my big GT has a red spot on his head and stopped eating. What's wrong with him and how can I treat it? Any help is really appreciated. uploadfromtaptalk1382974879778.jpguploadfromtaptalk1382974896310.jpguploadfromtaptalk1382974915165.jpg
 
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