As Ceneker stated,
RT from what I can tell from Pic. True RT have two vertical bars behind eye that intersect and form a V or Y. Uros just have a verical bar pattern. Hard to tell from pic quality but yours appears to have this pattern.
yes that is a festae nice fishyou should beable to start telling at about 3 inches and sorry to say they are slow growing i have had my female for a year and a half and she is only 6.5 inches maybe 7