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♦ ¹Feeding habits of two deep-sea sharks from central-northern Chile: hooktooth dogfish Aculeola nigra (Etmopteridae) and dusky catshark Bythalaelurus canescens (Scyliorhinidae), Enzo Acuña and Juan Carlos Villarroel, Revista de Biología Marina y Oceanografía Vol. 45, S1: 737-743, diciembre 2010
♦ ²Villarroel, J. C. and Acuña, E. (2000), Consumption of deep-sea shrimp by bigeye flounder Hippoglossina macrops in fishing grounds off northern Chile. Journal of Fish Biology, 57: 1280–1289