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Journal of Fisheries and Aquatic Science
  Year: 2014 | Volume: 9 | Issue: 1 | Page No.: 14-23
DOI: 10.3923/jfas.2014.14.23
 
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Growth of the Yellowfin Mojarra Gerres cinereus off the Pacific Coast of Mexico

E. Espino-Barr, M. Gallardo-Cabello, E.G. Cabral-Solis, M. Puente-Gomez and A. Garcia-Boa

Abstract:
This study analyzes for the first time age and growth of Gerres cinereus in the coasts of central Mexican Pacific. From April 2010 to November 2011, morphometric data of 427 yellowfin mojarra Gerres cinereus were obtained; otoliths and weights of 179 specimens were used to determine age and growth. The growth study entailed two methods: Length frequency analysis and study of sagittae and asterisci otoliths. Both methods identified seven age groups. Growth parameters of von Bertalanffy’s equation were determined by Ford-Walford and Gulland methods and an iteration adjustment Solver. Both techniques yielded a high determination coefficient but the Solver method had the better fit: L= 56.43 cm, K = 0.208, to= -0.669. Mean size for each age was: Age 1 = 16.57 cm, age 2 = 24.07 cm, age 3 = 30.15 cm, age 4 = 35.09 cm, age 5 = 39.11 cm, age 6 = 42.36 cm and age 7 = 45.01 cm. The allometric index from the weight-length relationship was positive and b = 3.193, the longevity was of 13.73 years. Higher values of L and smaller of K index were found for specimens of G. cinereus in the coasts of Quintana Roo, Mexico and Biscayne Bay in Florida.
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How to cite this article:

E. Espino-Barr, M. Gallardo-Cabello, E.G. Cabral-Solis, M. Puente-Gomez and A. Garcia-Boa, 2014. Growth of the Yellowfin Mojarra Gerres cinereus off the Pacific Coast of Mexico. Journal of Fisheries and Aquatic Science, 9: 14-23.

DOI: 10.3923/jfas.2014.14.23

URL: https://scialert.net/abstract/?doi=jfas.2014.14.23

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