favourite bottom dweller?

I vote both. I have a small squad of Julis and Pandas, then a few Kuhlis hither and thither. It makes for a personable ground floor!
 
My two favorite bottom dwellers are dojo loaches and dragon gobys.

The dojos when kept in groups, sleep together or if you give them enough decorations they like to sleep in the decorations at funny angles.

My goby likes to dig holes where he lays, rock by rock, and put them around "his territory" but he is friendly to his occasional visitors.
 
Kuhli loaches are awesome! IME the black ones are out much more in the light than the yellow/black banded ones.

My black kuhlis are out much more often than my yellow striped ones, too.

My albino cories are very busy and not shy at all.
 
AquariaCentral.com