very beautiful geos and great pictures. i just want to know, are Geophagus sp. "red head tapajos" and Geophagus sp. "Tapajos Orange Head" the same fish?
I have an odd question though that has been tickling my curiosity.
I noticed that you are running a relatively small internal filter, but your tank looks perfectly free of debris etc. How is this managable? Do you vacuum often, and can i ask how, seeing as you are using such fine sand? Cause i've always had trouble cleaning my sand without sucking all the sand up aswell.