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Trophic inference in two sympatric sharks, Sphyrna lewini and Carcharhinus falciformis (Elasmobranchii: Carcharhiniformes), based on stable isotope analysis at Malpelo Island, Colombia. Acta Ichthyologica et Piscatoria, 47(4), 357–364
DOI: 10.3750/AIEP/02177