So many inspiring tanks, so little space.... Beautiful, that wall is great, looks like a lava flow. And the way it fits right in with the chair, what a place to sit and have a beer! Or coffee at this time of the morning, ha!
I have a spare 75 RR sitting around, I'm thinking if I could do a poor man's version of this by building a framework inside part of the tank? It wouldn't have to be dry or anything, the view of the "cave" could be blocked with the frame of the stand... Maybe a door on it so you could check up on it... I suppose larger critters should be blocked from getting in with some sort of screen.... Hmmmm... Might just try that when done with my current build.
Again, amazing and inspiring.
ps, when I first looked at that pic a couple posts up, I thought "how the heck does he keep that big bleedin' mantis in there with all that stuff?" Feeder clip I think on closer look, ha!