2020
DOI: 10.24275/uam/izt/dcbs/hidro/2020v30n1/gonzalez
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Richness and relative abundance of batoids from the artisanal fishery in the Espiritu Santo archipelago, BCS, Mexico

Abstract: Antecedentes: El Golfo de California presenta una alta diversidad de organismos marinos y es una de las principales áreas de pesca en México. La pesquería de tiburones y rayas constituye una importante actividad económica con relevancia social. Objetivo: En el presente estudio se estima la riqueza y abundancia relativa (expresada como CPUE), de 15 especies de batoideos capturados por la pesca artesanal en la zona sur de la Isla Espíritu Santo, B.C.S. desde octubre del 2013 a diciembre de 2015. Métodos: Los eje… Show more

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Cited by 7 publications
(4 citation statements)
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“…Similar observations have been made for similar species in the Gulf of California (U. rogersi) (Ehemann et al, 2022), in the Gulf of Tehuantepec (southern Pacific coast of Mexico) (Medina-Bautista, 2011), and in the Colombian Pacific (Mejía-Falla et al, 2012;Mejía-Mercado, 2007). Similar information is not available for U. maculatus from the few previous studies available (De La Cruz-Agüero et al, 2018;González-González et al, 2020;Ontiveros-Granillo, 2009), where the maximum and minimum sizes of this species in catches are reported without differentiating by sex. However, size sexual dimorphism is common in elasmobranchs (Cortés, 2000;Da Silva et al, 2018;Kyne et al, 2016;Walker, 2005b).…”
Section: Discussionmentioning
confidence: 98%
“…Similar observations have been made for similar species in the Gulf of California (U. rogersi) (Ehemann et al, 2022), in the Gulf of Tehuantepec (southern Pacific coast of Mexico) (Medina-Bautista, 2011), and in the Colombian Pacific (Mejía-Falla et al, 2012;Mejía-Mercado, 2007). Similar information is not available for U. maculatus from the few previous studies available (De La Cruz-Agüero et al, 2018;González-González et al, 2020;Ontiveros-Granillo, 2009), where the maximum and minimum sizes of this species in catches are reported without differentiating by sex. However, size sexual dimorphism is common in elasmobranchs (Cortés, 2000;Da Silva et al, 2018;Kyne et al, 2016;Walker, 2005b).…”
Section: Discussionmentioning
confidence: 98%
“…La Paz Bay and Espiritu Santo Island (ESI) are the most studied geographic zones within the Gulf of California, possibly due to their proximity to the national marine research institutes in La Paz ( Ehemann, García-Rodríguez & Cruz-Agüero, 2022 ), where batoid studies have increased during the last decade. The result is a valuable scientific baseline that addresses topics such as diet ( Cabrera-Melendez, 2017 ; Ehemann et al, 2019 ; Restrepo-Gómez et al, 2021 ), reproduction ( e.g ., Ehemann et al, 2017 ; Burgos-Vázquez et al, 2017 , 2018 ), artisanal fisheries ( González-González et al, 2020 ), age and growth ( Mora-Zamacona et al, 2021 ; Pabón-Aldana et al, 2022 ), and the role of ESI as a nursery habitat ( e.g ., pygmy devil rays, Mobula munkiana , Palacios et al, 2021 ). As a result, ESI has been pointed as a critical area for conserving batoid assemblages within the Gulf of California ( González-González et al, 2021 ), providing batoid species with different niches, habitats, and resources.…”
Section: Discussionmentioning
confidence: 99%
“…Differences in oral myology ( Ramírez-Díaz et al, 2022 ) and feeding strategies could explain this resource partitioning. The protractile and tubular ventral mouth, along with its electric discharge ( Last et al, 2016 ; Ramírez-Díaz et al, 2022 ), make N. entemedor better suited to feed on benthic prey, while the different body shapes, teeth morphology, rostral fins, and locomotion systems of the other two species allow them to exploit the benthopelagic habitat ( Nelson, Grande & Wilson, 2016 ; Last et al, 2016 ; González-González et al, 2020 ; Ramírez-Díaz et al, 2022 ).…”
Section: Discussionmentioning
confidence: 99%
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