• [Wiki] http://en.wikipedia.org/wiki/Etmopterus_spinax.
• [fishbase] https://www.fishbase.se/summary/Etmopterus-spinax.html.
• [GennScac2007] Gennari, E. and Scacco, U. (2007). First age and growth estimates in the deep water shark, Etmopterus spinax (Linnaeus, 1758), by deep coned vertebral analysis. Mar Biol, 152:1207--1214. doi:10.1007/s00227-007-0769-y.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.