Morphological Discrimination between the Dorsal-fin Spines of the Blue Marlin Makaira nigricans: Reducing Biases in Age and Growth Estimations

U. Jakes-Cota, R. Rodriguez-Sanchez, H. Villalobos and S. Ortega- Garcia

Journal of Fisheries and Aquatic Science 8 ( 6 ): 643 - 658 , 2013