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Journal of Fisheries and Aquatic Science

Year: 2010 | Volume: 5 | Issue: 4 | Page No.: 293-303
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Authors

E. Espino-Barr

M. Gallardo-Cabello

K. Granados-Flores

E.G. Cabral-Solis

A. Garcia-Boa

M. Puente-Gomez

Keywords

Thirteen age groups were identified for Microlepidotus brevipinnis (Pisces: Haemulidae). Otoliths sagittae gave a better fit between observed and calculated data than scales, but both methods are considered valid for age determination. The constants of Von Bertalanffy’s growth equation calculated through sagittae analysis were: L∞ = 388.68 mm, W∞ = 829.741 g, K = 0.207, to = -0.718 and A0.95 = 14 years. Differences in growth between sexes were found; females show higher values of L∞ and longevity than males. Microlepidotus brevipinnis reaches its sexual maturity at age four. The gonadosomatic index presented higher values during December and March. The periods of more intensive feeding and fatty acids accumulation in liver are from May to October. With other researcher data, growth parameters of species from the same family were calculated in order to compare them with the one obtained in the present study. Microlepidotus brevipinnis has an intermediate size among other species of the same family.
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