I have been in the pet industry specializing in birds of all things.
In my home we have a:
Nano-cube DX 2years old (tore down and reset up recently) I think it's 12 or 15 gal
I don't recall at the moment.
10gal pod breeding tank with a refugium on the back.
We have a mandarin goby (flutter scotch) and a coral blenny(Sheldon)
2 pom pom crabs (mr crabs 1+2)
Misc corals hard and soft
The Pico has:
Live rock and a pom pom crab