Feeding behavior of yellowfin tuna around two insular regions of the western Atlantic Ocean
Karla Martins,
Yuri Niella,
Fernanda Albuquerque
et al.
Abstract:The yellowfin tuna is a very abundant tropical tuna species in the western equatorial Atlantic Ocean and an important fishery resource for the Brazilian tuna fleet. In this study we performed stable isotope analysis to better understand the spatial trophodynamics and dietary changes in yellowfin tuna around two insular marine protected areas in Brazil. A total of 65 yellowfin tuna specimens measuring between 47 and 138 cm LT (total length) were sampled around the archipelagos of Fernando de Noronha (FNA; n = 3… Show more
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