Update of ongoing work on age and growth of Antarctic toothfish (Dissostichus mawsoni) (2013-14 season) from Division 58.4.1 by Spain
2016
López-Abellán, L.J. (Luis José) | Santamaría, M.T.G. (María Teresa García) | Sarralde-Vizuete, R. (Roberto) | Barreiro-Jueguen, S. (Santiago)
Inglés. Preliminary Age-length key by reading otoliths of antarctic toothfish (Dissostichus mawsoni)
Mostrar más [+] Menos [-]Inglés. We present preliminary results on age and growth of Dissostichus mawsoni for thesecond season (2013/14) of the Spanish research fishing in the 58.4.1 Divisionobtained for growth rings on otolith readings. It is included the age-length key andgrowth parameters estimates by sex. Growth parameters obtained using length-agepair values are: L∞: 175.7, k: 0.1078 and t0: 1.528 for females; L∞: 150.3, k: 0.1491and t0: 1.809 for males; and L∞: 169.8, k: 0.1087 and t0: 1.168 all combined. Theseresults are very similar to those reported previously for the first season (2012/13)although they differ slightly with the values used in the Ross sea assessment formales.
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