sentences:  The flame tetra is native to Southeast Brazil, where it occurs in coastal parts of Rio de Janeiro (Guanabara bay region, and Paraíba do Sul and Guandu River basins) and São Paulo (upper Tietê River basin).It lives in rivers and streams, generally preferring shallow (less than deep), slow-flowing sections with vegetation and a water temperature from .The species has declined drastically, mainly because of habitat loss, pollution and introduced species (especially tilapia and black bass).