Length-weight relationship of four batoid species from the Pacific coast of Ecuador

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DOI:

https://doi.org/10.22370/rbmo.2022.57.1.3362

Palabras clave:

Length-weight, batoids, Ecuadorian waters

Resumen

Length-weight relationships (LWR) were estimated for four species of batoids, Zapteryx xyster, Rostroraja equatorialis, Pseudobatos leucorhynchus and Gymnura crebripunctata, collected in Ecuadorian waters. Values of the allometric growth parameter (b) oscillated from 2.41 to 3.15. Pseudobatos leucorhynchus and G. crebripunctata exhibited isometric type growth, while Z. xyster and R. equatorialis showed negative and positive allometric growth, respectively. New records of minimum sizes were obtained for free-swimming R. equatorialis (7.8 cm TL) and G. crebripunctata (20.0 cm DW). Data obtained constitute a baseline for future management and conservation studies.

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Publicado

2022-09-30

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Nota Científica

Cómo citar

Length-weight relationship of four batoid species from the Pacific coast of Ecuador. (2022). Revista De Biología Marina Y Oceanografía, 57(1), 57-60. https://doi.org/10.22370/rbmo.2022.57.1.3362

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