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Biology of the thread herring Opisthonema oglinum (Pisces: Clupeidae) from a beach seine fishery of the Campeche Bank, Mexico

Por: Vega Cendejas, María Eugenia [autora].
Mexicano Cíntora, Guadalupe [autora] | Arce Ibarra, Ana Minerva [autora].
Tipo de material: Artículo impreso(a) y electrónico Artículo impreso(a) y electrónico Tipo de contenido: Texto Tipo de medio: Computadora Tipo de portador: Recurso en líneaTema(s): Peces marinos | Crecimiento demográficoDescriptor(es) geográficos: Opisthonema oglinum | Banco de Campeche (Campeche, México) Clasificación: AR/597.0927267 / V4 Nota de acceso: Disponible para usuarios de ECOSUR con su clave de acceso En: Fisheries Research. Bolumen 30, número 1-2 (May 1997), páginas 117-126. --ISSN: 0165-7836Número de sistema: 44386Resumen:
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Opisthonema oglinum is one of the most important fish species from an artisanal beach seine fishery that operates on the Campeche Bank. Growth parameters, age structure, seasonal variation of reproduction and diet were studied from October 1986 to December 1987. Estimates of von Bertalanffy growth parameters were: L∝ = 177.5 mm, K = 0.249 year−¹ and t0 = − 1.07 years. Individuals with ripe eggs were found throughout the year, although the proportion was highest from July to December. Sexual maturity in 50% of females and males was attained at a fork length of about 154.8 mm and 151.2 mm, respectively (5 years old). The diet of this herring is mainly benthic micro-crustaceans, but it varies with season, reproductive stage and age. Immature thread herring feed on prey with a lower energy content than that of maturing O. oglinum.

Recurso en línea: http://www.sciencedirect.com/science/article/pii/S0165783696005474 |
Lista(s) en las que aparece este ítem: Ana Minerva Arce Ibarra
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Artículos (AR) 		ECOSUR AR 597.0927267 V4 001 Disponible ECO030004617
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Opisthonema oglinum is one of the most important fish species from an artisanal beach seine fishery that operates on the Campeche Bank. Growth parameters, age structure, seasonal variation of reproduction and diet were studied from October 1986 to December 1987. Estimates of von Bertalanffy growth parameters were: L∝ = 177.5 mm, K = 0.249 year−¹ and t0 = − 1.07 years. Individuals with ripe eggs were found throughout the year, although the proportion was highest from July to December. Sexual maturity in 50% of females and males was attained at a fork length of about 154.8 mm and 151.2 mm, respectively (5 years old). The diet of this herring is mainly benthic micro-crustaceans, but it varies with season, reproductive stage and age. Immature thread herring feed on prey with a lower energy content than that of maturing O. oglinum. spa

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