• [Wiki] http://en.wikipedia.org/wiki/Geophagus_brasiliensis.
• [fishbase] https://www.fishbase.se/summary/Geophagus_brasiliensis.html.
• [BeatMorg2013] Beatty, S. J., Morgan, D. L., Keleher, J., Allen, M. G., and Sarre, G. A. (2013). The tropical south american cichlid, Geophagus brasiliensis in Mediterranean climatic south-western Australia. Aquatic Invasions, 8(1):21--36. doi:10.3391/ai.2013.8.1.03.
• [AmarNett2011] Junior, H. A., Netto, J. R. A., Garcia, S., and de Mello, G. L. (2011). Research to compare the growth rate between the acara Geophagus brasiliensis and tilapia Oreochromis nioticus in conditions of intensive monoculture utilizing ration and live food. Revista electrónica de Veterinaria, 12(9):605--612.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.