Age and growth of southern hake Merluccius australis (Hutton, 1872) of the Argentine Sea

Authors

  • Federico Gorini Instituto Nacional de Investigación y Desarrollo Pesquero (INIDEP)
  • Viviana Abachian Instituto Nacional de Investigación y Desarrollo Pesquero (INIDEP)
  • Analía Rosa Giussi Instituto Nacional de Investigación y Desarrollo Pesquero (INIDEP)

Keywords:

Merluccius australis, age, growth, Southwest Atlantic Ocean

Abstract

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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Published

2020-12-22

How to Cite

1.
Gorini F, Abachian V, Giussi AR. Age and growth of southern hake Merluccius australis (Hutton, 1872) of the Argentine Sea. Mar Fish Sci [Internet]. 2020Dec.22 [cited 2021Feb.25];20:65-73. Available from: https://ojs.inidep.edu.ar/index.php/mafis/article/view/119

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