• [Wiki] http://en.wikipedia.org/wiki/Upeneus.
• [fishbase] http://www.fishbase.se/summary/Upeneus-tragula.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [PavlHa2015] Pavlov, D. A., Emel'yanova, N. G., Ha, V. T., and Thuan, L. T. B. (2015). Otolith morphology, age, and growth of freckled goatfish Upeneus tragula (Mullidae) in the coastal zone of Vietnam. Journal of Ichthyology, 55:363--372. doi:10.1134/S003294521304005X.