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♦ ¹Seasonal variation in the diets of bluefish, Pomatomus saltatrix (Pomatomidae) and striped weakfish, Cynoscion guatucupa (Sciaenidae) in southern Brazil: implications of food partitioning, Flavia M. Lucena, Teodoro Vaske, Jr., Jim R. Ellis & Carl M. O’Brien, Environmental Biology of Fishes 57: 423–434, 2000.
♦ ²Food habits of Dipturus chilensis (Pisces: Rajidae) off Patagonia, Argentina, M. Koen Alonso, E. A. Crespo, N. A. García, S. N. Pedraza, P. A. Mariotti, B. Berón Vera and N. J. Mora, ICES Journal of Marine Science, 58: 288–297. 2001