The Moema apurinan lives in the benthopelagic, freshwater environment.
Moema apurinan, new species, is similar to M. staecki, these two species distinguished from other congeners in having contact organs on scales of the flank in males, an acuminate caudal fin, fewer pectoral-fin rays, fewer vertebrae, and a narrower rostral cartilage. More
Moema apurinan was collected from the Rio Purus basin in northern Brazil and is a member of the Rivulidae family. The new species was described by rivuline systematist Wilson Costa, who has described most of the species in the genus. More