Need info on Vieja Hartwegi please [=

[lilRudy]

Well i have this Vieja,I think its a hartwegi,right? I want too kno all about this guy,does anyone have any info?
Is mine any good?
Food?
Water peramiters...PH? temp?
What could i expect him too look like in the future?
Are the males fertle?

 

[Nabbig2]

Wow, I've never heard of it. Nice fish, though.