Thank you! He seems very interested in the flies. He jerks his head around to see them like my other frogs have done right before they chomp, but he doesn't seem to get them. He may hop once or twice towards them but he seems to give up. Unless they are still on the wall right next to him, he doesn't seem to go after them. =/ and as for the tank, he just seems much more active in this smaller tank. Hes stopped crawling up the sides but he's still out and about much more and stands up and looks out of his tank quite often.