Geophagus sp. Pindaré.
A very striking eartheater similar to Sveni but instead of light blue/red stripes Pindaré seems to have white/red stripes.
Also one of the few earth eaters with tail spots, similar to sp. Gurupi.
They actually have their flag pattern from a very young age, when I got them at 1 inch (TL) they were already showing pearling lined up as a flag:
L600, I believe a female because of body shape (she has a plump center) and lack of odontodes. But I could totally be wrong: