Age and growth of southern hake Merluccius australis (Hutton, 1872) of the Argentine Sea
Keywords:Merluccius australis, age, growth, Southwest Atlantic Ocean
Southern hake (Merluccius australis) age and growth were estimated using sagittae otoliths obtained in research cruises and observers’ programs. The only annual growth ring observed, formed by two bands, one hyaline and another opaque, corresponded to winter and summer growth, respectively. According to the analysis of otoliths edge, birthday was established on 1st July. Within the age range observed, that comprised 3-18 year old specimens, age groups 7, 8 and 9 were the most frequently identified in both sexes. Growth parameters estimates showed significant differences between them.
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Copyright (c) 2020 Federico Gorini, Viviana Abachian, Analía Rosa Giussi
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