%0 Journal Article %A Varela Fuentes, José Luis %T Trophic biology of bluefin tuna (Thunnus thynnus) in the western Atlantic Ocean and Mediterranean Sea %D 2013 %U http://hdl.handle.net/10498/15415 %K bluefin tuna %K trophic biology %K stable isotope %K stomach content %~ Universidad de Cádiz