The Green Demonfish from the Rio Xingú, Satanoperca jurupari "Areões"

" Satanoperca jurupari individual geographical variations exhibit behavioral differences as well as color patterns. Lee Newman, a world class aquarist specialized in these cichlids documents in detail in this article the particularities of a beautiful variant from Rio Xingu in Brazil, "Areões", finding interesting differences, specially important for those interested in keeping and breeding juruparoids "