Composición y superposición de dietas en cuatro especies de Diplectrum (Perciformes: Serranidae) en el Pacífico central mexicano

Palomino, Bernabé Aguilar; Sansón, Gaspar González

doi:10.15517/rbt.v58i4.5404

Cited by 3 publications

(3 citation statements)

References 22 publications

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“…fluctuations associated with changes in temperature and dissolved oxygen in the deep water mass (González-Sansón et al 1997, Godínez-Domínguez and González-Sansón 1998, Godínez-Domínguez et al 2009). However, predators are not affected, because the availability of food resources is, apparently, not limiting, and they simply prey on resources available each season, a behavior of opportunistic predators (Aguilar-Palomino and González-Sansón 2010). The present study showed that C. querna exhibits ontogenetic and even seasonal changes in its diet.…”

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confidence: 55%

“…On the Pacific coast of central Mexico (PCCM), studies on the trophic interactions between demersal fish species are scarce (Pérez-España et al 2005;Aguilar-Palomino and González-Sansón 2010;Flores-Ortega et al 2011, 2013 because research has focused on describing the diet composition of, almost always, one species at a time. The present study is the first to analyze the trophic interactions in a group of 11 species comprising the bulk of abundance and biomass in the community of soft-bottom demersal fish in the PCCM; the study also determines trophic niche breadth, the degree of dietary overlap, and the patterns of similarity in the associations of prey making up the diet of the fishes and the seasonal variation of these interactions.…”

Section: áRea De Estudiomentioning

confidence: 99%

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Trophic interactions between the 11 most abundant demersal fish species on the Pacific coast of central Mexico

Flores-Ortega

2020

Cienc. Mar.

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We describe the diet, feeding strategy, and trophic interactions between the 11 most abundant demersal fish species on the Pacific coast of central Mexico during both the warm and cold seasons. A total of 4,547 stomachs were collected, with 1,921 empty stomachs being discarded. According to the stomach content analysis, 95 prey items were identified and grouped into 70 food categories belonging to crustaceans, mollusks, fish, polychaetes, and echinoderms. The Smith index value and high prey diversity indicated that the 11 fish species exhibited a generalist opportunistic feeding strategy in both survey seasons. Low values of dietary overlap were recorded, and only a few significant cases of dietary overlap were found in the interaction between some rays (Urotrygonidae) and flatfish species (Pleuronectiformes). The availability and abundance of prey resources in the environment and the generalization of niche breadth allows the demersal predator community of the soft shallow bottoms to coexist without any evident competition for trophic resources.

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confidence: 55%

Section: áRea De Estudiomentioning

confidence: 99%

Trophic interactions between the 11 most abundant demersal fish species on the Pacific coast of central Mexico

Flores-Ortega

2020

Cienc. Mar.

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“…zonas costeras someras y protegidas constituían verdaderas áreas de cría, y los macroinvertebrados bentónicos, el grupo trófico más crítico, al que se denominó "especies forraje" (Blaber, 1997) y que son la fuente de alimento de numerosas especies de peces. Las zonas someras de la costa de Jalisco fungen como zonas de alimentación y cría para muchas especies de peces de interés comercial, siendo la macrofauna bentónica de gran importancia en su dieta (Saucedo-Lozano et al, 1999;Saucedo-Lozano y Chiappa-Carrara, 2000;Pérez-España et al, 2005;Raymundo-Huizar y Saucedo-Lozano, 2008;Flores-Ortega et al, 2010Aguilar-Palomino y González-Sansón, 2010).…”

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Comunidades de fondos blandos submareales de la bahía de Navidad (Jalisco, México): patrones espaciales y temporales

Corgos¹,

Godínez-Domínguez²,

Flores-Ortega³

et al. 2014

Revista Mexicana de Biodiversidad

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Las áreas costeras son consideradas hábitats de cría para numerosas especies de organismos marinos. Tradicionalmente, los hábitats de cría han sido definidos como áreas donde los ejemplares juveniles se encuentran en elevadas densidades, evitan la depredación con más éxito o crecen más rápido (Gillanders et al., 2003). El paradigma de Gunter (1967) establece que los ambientes estuarinos representan a las áreas de cría por definición debido a la gran dependencia de este hábitat por parte de numerosas especies de peces en el sureste de Estados Unidos de América. Sin embargo, con el conocimiento de las historias de vida de peces de otras regiones, se encontró que donde la distribución de ambientes estuarinos es muy reducida, las

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Abundance, distribution, feeding habits and trophic interactions in five flatfish species (Pleuronectiformes) in the Mexican central Pacific

Flores-Ortega

Godínez-Domínguez

González-Sansón

et al. 2017

Lat. Am. J. Aquat. Res.

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We analyzed the spatial distribution patterns of the five most abundant flatfish species caught by shrimp trawl nets on the continental shelf of the Mexican central Pacific. Food diets and trophic interactions between of the flatfish species are described as well. Flatfishes are distributed between 20 and 60 m depth. Bothus leopardinus showed the greatest abundance during the cold season (January-May), the other species did not show significant differences between seasons (cold and warm). The diet of the flatfish species consist of crustaceans, fishes and cephalopods. B. leopardinus and Syacium ovale are consumers of crustaceans, such as crabs, shrimps and stomatopods. Cyclopsetta panamensis, C. querna and Monolene assaedae based their diet in fishes and cephalopods. The feeding strategy of the five species analyzed is considered to be generalist, consuming a high number of preys in both seasons. Between the flatfish species, low values of overlapping in the diets were observed in size class and periods of the year. The flatfish species consume the available food resources and could change the preys consumed, according to prey availability, to avoid intra and interspecific competition.

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Composición y superposición de dietas en cuatro especies de Diplectrum (Perciformes: Serranidae) en el Pacífico central mexicano

Cited by 3 publications

References 22 publications

Trophic interactions between the 11 most abundant demersal fish species on the Pacific coast of central Mexico

Trophic interactions between the 11 most abundant demersal fish species on the Pacific coast of central Mexico

Comunidades de fondos blandos submareales de la bahía de Navidad (Jalisco, México): patrones espaciales y temporales

Abundance, distribution, feeding habits and trophic interactions in five flatfish species (Pleuronectiformes) in the Mexican central Pacific

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