Reproductive biology of the pacific sierra scomberomorus sierra (pisces, scombridae) in the central mexican pacific Report as inadecuate




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S Ruiz-Ramírez ; FI Palomera-Sánchez ; G González-Sansón ;Ciencias Marinas 2011, 37 (3)

Author: G Lucano-Ramírez

Source: http://www.redalyc.org/


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Ciencias Marinas ISSN: 0185-3880 cmarinas@uabc.mx Universidad Autónoma de Baja California México Lucano-Ramírez, G; Ruiz-Ramírez, S; Palomera-Sánchez, FI; González-Sansón, G Reproductive biology of the Pacific sierra Scomberomorus sierra (Pisces, Scombridae) in the central Mexican Pacific Ciencias Marinas, vol.
37, núm.
3, septiembre, 2011, pp.
249-260 Universidad Autónoma de Baja California Ensenada, México Available in: http:--www.redalyc.org-articulo.oa?id=48020755001 How to cite Complete issue More information about this article Journals homepage in redalyc.org Scientific Information System Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Non-profit academic project, developed under the open access initiative Ciencias Marinas (2011), 37(3): 249–260 Reproductive biology of the Pacific sierra Scomberomorus sierra (Pisces, Scombridae) in the central Mexican Pacific C M Biología reproductiva de la sierra Scomberomorus sierra (Pisces, Scombridae) en el Pacífico central mexicano G Lucano-Ramírez*, S Ruiz-Ramírez, FI Palomera-Sánchez, G González-Sansón Universidad de Guadalajara, Departamento de Estudios para el Desarrollo Sustentable de Zonas Costeras, V Gómez Farías 82, San Patricio-Melaque, Jalisco, México. * Corresponding author.
E-mail: lucanorg@costera.melaque.udg.mx ABSTRACT.
Monthly samples of Pacific sierra Scomberomorus sierra were taken during nine years (1998–2000 and 2002–2007) with gillnets in Navidad Bay, Jalisco (Mexico).
The sex ratio for the whole sampling period was not significantly different from 1 (F:M, 1:0.9).
Monthly trends of the gonadosomatic index, the percentage of individuals with ripe gonads, and mean oocyte diameter indicate that this species reproduces in the period from April to June (spring).
This reproduction period is also supported by the microscopic characteristics of gonads (highest percentage of oocytes in advanced vitellogenesis phase and high concentration...





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