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Journal of Fisheries and Aquatic Science
  Year: 2011 | Volume: 6 | Issue: 4 | Page No.: 390-403
DOI: 10.3923/jfas.2011.390.403
 
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Analysis of the Otoliths of Sagitta, Asteriscus and Lapillus of Pacific sierra Scomberomorus sierra (Pisces: Scombridae) in the coast of Colima Mexico

M. Gallardo-Cabello, E. Espino-Barr, R.A. Nava-Ortega, A. Garcia-Boa, E.G. Cabral-SolIs and M. Puente-Gomez

Abstract:
Age of fish is an important parameter for fisheries assessment; therefore, it was determined for Pacific sierra Scomberomorus sierra by morphological and morphometric analysis of otoliths sagitta, asteriscus and lapillus. Identification of growth rings was also done in the sagittae and asterisci; five growth rings were found: the first ring was formed when the fish measured 19.20 cm, the second at 35.14 cm, the third at 45.80 cm, the fourth at 56.20 cm and the fifth at 64.51 cm of total length. The relationship between length and width of the sagittae is expressed by the equations: y = 0.582 x0.773 (rostrum-antirostrum) and y = 0.372 x0.640 (rostrum-width). In the case of the asterisci: y = 0.248 x 0.685 (length-width). For the lapilli y = 0.488 x0.760 (length-width). Growth of these otoliths was also related to the length of the fish. Differences between sexes were observed. Females presented larger sized otoliths than males from 10 to 40 cm of length; once the gonadic maturity begins, this growth diminishes and males present a larger growth in these structures.
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How to cite this article:

M. Gallardo-Cabello, E. Espino-Barr, R.A. Nava-Ortega, A. Garcia-Boa, E.G. Cabral-SolIs and M. Puente-Gomez, 2011. Analysis of the Otoliths of Sagitta, Asteriscus and Lapillus of Pacific sierra Scomberomorus sierra (Pisces: Scombridae) in the coast of Colima Mexico. Journal of Fisheries and Aquatic Science, 6: 390-403.

DOI: 10.3923/jfas.2011.390.403

URL: https://scialert.net/abstract/?doi=jfas.2011.390.403

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