love the 3d background, did i miss it, or did you say where its from/who makes it? or is it a diy?
I have to ask..how is the puffer enjoying full salt? I used to have one in my freshwater tank a few years ago, he was the personality of the tank. I have heard they can transition but I know they are brackish. How long did it take you to acclimate him? They are great fish he looks very healthy!