• [Wiki] http://en.wikipedia.org/wiki/wiki/Rhinelepis_aspera.
• [fishbase] https://www.fishbase.se/summary/Rhinelepis-aspera.html.
• [AgosBareb1991] Agostinho, A. A., Barbieri, G., and Verani, J. R. (1991). Idade e crescimento do cascudo preto Rhinelepis aspera (Siluriformes, Loricariidae) no rio Paranapanema, bacia do rio Paraná. Revista Unimar, 13(2):259--272.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [SatoFene1998] Sato, Y., Fenerich-Verani, N., Verani, J. R., Godinho, H. P., and Sampaio, E. V. (1998). Induced reproduction and reproductive characteristics of Rhinelepis aspera Agassiz, 1829 (Osteichthyes: Siluriformes, Loricariidae). Brazilian Archives of Biology and Technology, 43:309--314.