• [Wiki] http://en.wikipedia.org/wiki/Betta_splendens.
• [tankarium] https://www.tankarium.com/baby-betta-growth-chart/.
• [petfishonline] https://petfishonline.com/betta-eggs/.
• [fishbase] http://www.fishbase.org/summary/Betta-splendens.html.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.