• [Wiki] http://en.wikipedia.org/wiki/wiki/Umbra_limi.
• [fishbase] https://www.fishbase.se/summary/Umbra-limi.html.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [RobiJirk2010] Robinson, J. M., Jirka, K. J., and Chiott, J. A. (2010). Age and growth analysis of the central mudminnow, Umbra limi (Kirtland, 1840). J. Appl. Ichtthyol., 26:89--94. doi:10.1111/j.1439-0426.2009.01357.x.
• [WallYeag1990] Wallus, R., Yeager, B. L., and Simon, T. P. (1990). The reproductive biology and early life history of fishes of the Ohio river, volume 1: Acipenseridae through Esocidae. Tennessee Valley Authority.