It depends on what type of power filter you run and how many WC's you make a week to determine if your tank is overstocked. It doesn't look overstocked, and your fish look fine. I would go ahead and set up the 20 gal. Tank anyway. A bigger tank offers so many more possibilities and is easier to maintain.
It depends on what type of power filter you run and how many WC's you make a week to determine if your tank is overstocked. It doesn't look overstocked, and your fish look fine. I would go ahead and set up the 20 gal. Tank anyway. A bigger tank offers so many more possibilities and is easier to maintain.
Angels can be territorial when they reach adulthood.
If you don't end up with a pair one may kill the other in such a small space.
I think I'll refrain from adding another angle. I like this one anyway I call him big brother of the tank and his eyes kind of turns heart shaped when i stare at it. But i wanted to upgrade just for the angle to be comfortable growing.