Size at maturity of the pacific sharpnose shark rhizoprionodon longurio in the gulf of california, mexico Reportar como inadecuado




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JF Márquez-Farías ; A Muhlia-Melo ;Ciencias Marinas 2011, 37 (2)

Autor: D Corro-Espinosa

Fuente: http://www.redalyc.org/


Introducción



Ciencias Marinas ISSN: 0185-3880 cmarinas@uabc.mx Universidad Autónoma de Baja California México Corro-Espinosa, D; Márquez-Farías, JF; Muhlia-Melo, A Size at maturity of the Pacific sharpnose shark Rhizoprionodon longurio in the Gulf of California, Mexico Ciencias Marinas, vol.
37, núm.
2, junio, 2011, pp.
201-214 Universidad Autónoma de Baja California Ensenada, México Available in: http:--www.redalyc.org-articulo.oa?id=48020772007 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(2): 201–214 Size at maturity of the Pacific sharpnose shark Rhizoprionodon longurio in the Gulf of California, Mexico C M Talla de madurez del tiburón bironche Rhizoprionodon longurio en el Golfo de California, México D Corro-Espinosa1, JF Márquez-Farías2, A Muhlia-Melo3* 1 2 3 Centro Regional de Investigaciones Pesqueras de Mazatlán, Instituto Nacional de Pesca, SAGARPA, Calzada Sábalo-Cerritos s-n, CP 82010, Mazatlán, Sinaloa, México. Facultad de Ciencias del Mar, Universidad Autónoma de Sinaloa, Paseo Claussen s-n, CP 82000, Mazatlán, Sinaloa, México. Centro de Investigaciones Biológicas del Noroeste, S.C., Mar Bermejo 195, Playa Palo de Santa Rita, CP 23090, La Paz, Baja California Sur, México. * Corresponding author.
E-mail: amuhlia04@cibnor.mx ABSTRACT.
We report on the proportion of maturity stages as a function of size of the Pacific sharpnose shark Rhizoprionodon longurio. Based on the development of internal and external organs, males and females were classified as immature or mature.
A logistic model was fitted to develop a maturity curve to estimate the length at which 50% of the individuals are mature (L50%).
This species has an annual reproductive cycle and its birthing season is f...





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