• [Wiki] http://en.wikipedia.org/wiki/Syngnathus_abaster.
• [fishbase] http://www.fishbase.se/summary/Syngnathus-abaster.html.
• [FranMacc2003] Franzoi, P., Maccagnani, R., Rossi, R., and Ceccherelli, V. U. (2003). Life cycles and feeding habits of Syngnathus taenionotus and S. abaster (Pisces, Syngnathidae) in a brackish bay of the Po River Delta (Adriatic Sea). Environmental Biology of Fishes, 67:23–33.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.