• [Wiki] https://en.wikipedia.org/wiki/Etheostoma_percnurum.
• [fishbase] https://www.fishbase.se/summary/Etheostoma-percnurum.html.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [Laym1991] Layman, S. R. (1991). Life history of the relict, duskytail darter, Etheostoma (Catonotus) sp., in Little River, Tennessee. Copeia, 1991:471--485.