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♦ 1Feeding habits and trophic levels of Mediterranean fish, Konstantinos I. Stergiou & Vasiliki S. Karpouzi, Reviews in Fish Biology and Fisheries 11: 217–254, 2002
♦ 2Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014).
Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
♦ 3A Preliminary Study on the Feeding Regime of European Pilchard (Sardina pilchardus Walbaum 1792) in Izmir Bay, Turkey, Eastern Aegean Sea, T.M. Sever, B. Bayhan and E. Taskavak, NAGA, WorldFish Center Quarterly Vol. 28 No. 3 & 4 Jul-Dec 2005, p. 41-48