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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.
♦ 3Feeding behaviour and daily ration of the spotted flounder Citharus linguatula (Osteichthyes: Pleuronectiformes) in the central Tyrrhenian Sea, PAOLO CARPENTIERI, TIZIANA CANTARELLI, FRANCESCO COLLOCA, ALESSANDRO CRISCOLI and GIANDOMENICO ARDIZZONE, Scientia Marina 74(4) December 2010, 659-667
♦ 4Feeding habits of grey gurnard, Eutrigla gurnardus (L., 1758), along the Catalan coast (northwestern Mediterranean), R. Moreno-Amich, Hydrobiologia 273: 57-66, 1994.