I purchased this guy from divers den 2 weeks ago. When I first got him he was very scared and didn't show himself for almost 4 days. On the 4th day he finally started to eat and continues to eat. I have in him qt. But I am noticing his belly looks bloated. I have treated the tank with prazipro. It's stomach just doesn't look right, from every picture of have seen of these fish they look more linear. What do you think?