Moenkhausia nigromarginata 3-4 cm Sinibotia superciliaris Distinct Appearance: Nuptial males display

Distinct Appearance: Nuptial males display a reddish-orange belly and caudal area

natural hues—bands of muted blue-green and soft oranges—becoming more vibrant during courtship

Temperature: ideal 64–72 °F (18–22 °C)

here’s a refined approach based on its natural habitat and bitterling biology:

Water Quality: Maintain pristine water conditions—mahseer are highly sensitive to pollutants

Moenkhausia nigromarginata 3-4 cm Sinibotia superciliaris Distinct Appearance: Nuptial males displayDescription & Care Instructions The Moenkhausia nigromarginata, also known as the Nigromarginata Tetra, is a striking species native to the upper Rio Tapajs Basin in Brazil. This species is characterized by its blue eyes, blue back in incident light, and distinctive zigzag bands on the belly. The species reaches a length of about 5 cm and was first described in 1994. Size: Typically reaches up to 5. 3 cm in length. Temperament: Peaceful and active;