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Resumen del producto
De La Cruz-Agüero, J., F.J., García Rodríguez & V.M., Cota Gómez
(2018).
Length – weight relationships of five elasmobranch species from the Pacific coast of Mexico.
Turkish Journal of Fisheries and Aquatic Sciences.
18(9): 1005-1007.
DOI: 10.4194/1303-2712-v18_8_09.
Length – weight relationships of five elasmobranch species from the Pacific coast of Mexico
José De La Cruz-Agüero 1, Francisco Javier García Rodríguez 1 y Víctor Manuel Cota Gómez 1
1 Instituto Politécnico Nacional, Centro Interdisciplinario de Ciencias Marinas
Length-weight relationships (LWR) were estimated for five elasmobranch species found in the Eastern Pacific: Heterodontus francisci (Girard, 1855), Urobatis halleri (Copper, 1863), Urobatis maculatus (Garman, 1913), Diplobatis ommata (Jordan and Gilbert, 1890), and Rhinobatos productus (Ayres, 1854). Species were selected because none had previously published data on LWR. The specimens were sampled along the Pacific west coast of Mexico, including the Gulf of California, between June 2009 and May 2013, using different fishing gear. The values of the exponent “b” of the LWR ranged from 2.52 to 3.06. This study provides the first reference on the LWR for these elasmobranch species.
Palabras clave: length-weight relationship; Elasmobranch; NW Mexico
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