Thanks Jason my Rhino is getting pretty big i really enjoy watching him i moved him into my 120gal CA setup and he is doing great with my Emperor Pleco..
Personally I'd do either the transcriptus or the calvus, but anything less than a 6' tank is going to become crowded stocked with more than 2 substrate spawners. Don't count on the calvus eating the multi and Julie fry.
I have to agree, I wouldn't put both julies and calvus in a 4' tank. My juli pair ruled one side of the tank and the multis the other. You'll need A LOT of rockwork to make that work.