The Guianacara stergiosi lives in the pelagic, freshwater environment.
Conservation: Guianacara stergiosi is not evaluated by the International Union for the Conservation of Nature in the IUCN Red List of Threatened Species (2008). More
Guianacara stergiosi was found in the Caroni River and lower Aro River drainages, and from the upper Caura River upstream of the Para rapids. More
Guianacara stergiosi can be distinguished from all other species in the subgenus Guianacara by the possession of a round midlateral spot almost entirely below the upper lateral line, forming the darkest area in the midlateral bar. More