• [Wiki] http://en.wikipedia.org/wiki/Heptranchias_perlo.
• [naosite] http://naosite.lb.nagasaki-u.ac.jp/dspace/bitstream/10069/30699/1/suisan42_001.pdf.
• [Teamfish] http://www.teamfishfinders.com/?page_id=460.
• [iucn] http://www.iucnredlist.org/details/41823/0.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.