Stewart, D. J. (2013). „Re-description of Arapaima agassizii (Valenciennes), a rare fish from Brazil (Osteoglossomorpha, Osteoglossidae)”. Copeia. 2013: 38—51. S2CID84207464. doi:10.1643/ci-12-013.
„"A Miocene Fossil of the Amazonian Fish Arapaima (Teleostei, Arapaimidae) from the Magdalena River Region of Colombia - Biogeografic and Evolutionary Implications", by John G. Lundberg and Barry Chernoof, on Biotropica 24, 1992”. JSTOR2388468.
Stewart, D. J. (2013). „Re-description of Arapaima agassizii (Valenciennes), a rare fish from Brazil (Osteoglossomorpha, Osteoglossidae)”. Copeia. 2013: 38—51. S2CID84207464. doi:10.1643/ci-12-013.