Silver aro youngling, protruding lower jaw due to flat head?

generalx5

Nano-Style
Jan 1, 2006
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Beautiful British Columbia
Hi everyone, I bought a new silver aro for my aquarium, its a 159 gallon aquarium consisting of a large 12-13" female silver aro and a smaller male 6" newbie. He looked alright when I bought him, swimming posture and barbels are all good. The only exception is that his head seemed a bit flat. As if chamfered 4mm from the top, so you can imagine a flat top...which leaves the lower jaw sticking out 4 mm....Is this normal during developing stage? because from wat i was seeing, it was'nt being fed very well at the shop....hes a skinny bum but I've managed to feed him actual food like, and hes starting to grow colors near the fins...

could this be an indication that he wasn't fed well?
 
could be a sign of somthing. keep up on it and make sure it eats well... and hope for the best.
 
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