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♦ 1Diet, growth and reproduction of four flatfishes on the Portuguese coast, CÉLIA M. TEIXEIRA, MARISA I. BATISTA and HENRIQUE N. CABRAL, Scientia Marina 74(2) June 2010, 223-233
♦ 2Feeding 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
♦ 3Jorrit 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.
♦ 4"Diet of two selachians common to the Gulf of Gabes (Tunisia): Rhinobatos rhinobatos (Linnè, 1758) and Rhinobatos cemiculus (Geoffroy Sainte-Hilarie, 1817)", Capapé C, Zaouali J., Arch Inst Pasteur Tunis. 1979 Sep; 56(3):285-306.
♦ 5Diet comparison of four ray species (Raja clavata, Raja brachyura, Raja montagui and Leucoraja naevus) caught along the Portuguese continental shelf, Inês Farias, Ivone Figueiredo, Teresa Moura, Leonel Serrano Gordo, Ana Neves and Bárbara Serra-Pereira, Aquat. Living Resour. 19, 105114 (2006)
♦ 6Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005).
Host-Parasite Database of the Natural History Museum, London