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Feeding habits and trophic level of the smooth hammerhead shark, Sphyrna zygaena (Carcharhiniformes: Sphyrnidae), off Ecuador. Journal of the Marine Biological Association of the United Kingdom, 99(3), 673–680
DOI: 10.1017/S0025315418000474
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Shark predation on cephalopods in the Mexican and Ecuadorian Pacific Ocean. Deep Sea Research Part II: Topical Studies in Oceanography, 95, 52–62
DOI: 10.1016/j.dsr2.2013.04.002