• [Wiki] https://en.wikipedia.org/wiki/Percina_sciera.
• [fishbase] https://www.fishbase.se/summary/Percina-sciera.html.
• [fishesoftexas] http://txstate.fishesoftexas.org/percina sciera.htm.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [PageSmit1970] Page, L. M. and Smith, P. W. (1970). The life history of the dusky darter, Percina sciera, in the Embarras River, Illinois. Technical report, ILLINOIS NATURAL HISTORY SURVEY, Urbana, Illinois.