My GT has been acting strange for the past 2 days. He has stopped moving around pretty much at all. Hasn't been eating anything and has been letting his clown loach tankmates get away with a lot.
I have noticed his belly/bum area looks rather swollen and enlarged. Tried to take a picture, any ideas?

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I have noticed his belly/bum area looks rather swollen and enlarged. Tried to take a picture, any ideas?

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I agree for the most part but I have a few questions.