The Guianacara cuyunii lives in the pelagic, freshwater environment.
Conservation: Guianacara cuyunii is not evaluated by the International Union for the Conservation of Nature in the IUCN Red List of Threatened Species (2008). More
The second new species, Guianacara cuyunii, was discovered in the River Cuyuni drainage in Venezuela and its major tributaries, however, the authors do not yet know whether the distribution of G. cuyunii covers the lower reaches of the Cuyuni and Essequibo River drainages. G. More