• [Wiki] http://en.wikipedia.org/wiki/Hippocampus_hippocampus.
• [fishbase] http://www.fishbase.se/summary/Hippocampus-hippocampus.html.
• [CurtSant2017] Curtis, J. M. R., Santos, S. V., Nadeau, J. L., Gunn, B., Bigney Wilner, K., Balasubramanian, H., Overington, S., Lesage, C.-M., D'entremont, J., and Wieckowski, K. (2017). Life history and ecology of the elusive European short-snouted seahorse Hippocampus hippocampus. Journal of Fish Biology, 91(6):1603–1622. doi:10.1111/jfb.13473.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.