• [Wiki] http://en.wikipedia.org/wiki/Polypterus_senegalus.
• [fao] http://www.fao.org/3/t0537e/t0537e06.htm.
• [fishbase] https://www.fishbase.se/summary/Polypterus-senegalus.html.
• [BartGemb1997] Bartsch, P., Gembells, S., and Piotrowski, T. (1997). The embryonic and larval development of Polypterus senegalus Cuvier, 1829: its staging with reference to external and skeletal features, behaviour and locomotory habits. Acta Zoologica (Stockholm), 78:309--328.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.