Feeding habits of the mojarras (Gerreidae) population in the hyperhaline lagoon system of Ría Lagartos, Yucatan, Mexico

ABSTRACT The trophic preferences and ontogenic variations were evaluated and compared between five species of mojarras collected bimonthly for two years (2004-2005) in the hyperhaline lagoon system of Ría Lagartos, Yucatan Peninsula. A total of 361 specimens corresponding to Eucinostomus argenteus,...

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Autores principales:	Chi-Espínola,Ariel Adriano, Vega-Cendejas,María Eugenia, Canto-Maza,Walter Gabriel
Lenguaje:	English
Publicado:	Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar 2018
Materias:	mojarras stomach content food preferences Ria Lagartos Yucatán
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2018000400810
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spelling	oai:scielo:S0718-560X20180004008102018-11-06Feeding habits of the mojarras (Gerreidae) population in the hyperhaline lagoon system of Ría Lagartos, Yucatan, MexicoChi-Espínola,Ariel AdrianoVega-Cendejas,María EugeniaCanto-Maza,Walter Gabriel mojarras stomach content food preferences Ria Lagartos Yucatán ABSTRACT The trophic preferences and ontogenic variations were evaluated and compared between five species of mojarras collected bimonthly for two years (2004-2005) in the hyperhaline lagoon system of Ría Lagartos, Yucatan Peninsula. A total of 361 specimens corresponding to Eucinostomus argenteus, Eucinostomus gula, Eucinostomus harengulus, Eugerres plumieri and Diapterus auratus were collected and used for trophic analysis. The trophic components were analyzed using the Relative Importance Index (RII) and multivariate analysis. The mojarras were defined as second-order consumers, feeding on microcrustaceans (amphipods, copepods, tanaidaceous, ostracods) and significant amounts of detritus with variations in the proportion and frequency of different types of food according to their ontogeny and food availability. Three species shared the same resources. However, differences were observed at the general and ontogenetic level, avoiding inter and intraspecific competition. Results provide evidence of the importance of these coastal habitats for the trophic requirements of marine-euryhaline juvenile fish species.info:eu-repo/semantics/openAccessPontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del MarLatin american journal of aquatic research v.46 n.4 20182018-09-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2018000400810en10.3856/vol46-issue4-fulltext-18
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	mojarras stomach content food preferences Ria Lagartos Yucatán
spellingShingle	mojarras stomach content food preferences Ria Lagartos Yucatán Chi-Espínola,Ariel Adriano Vega-Cendejas,María Eugenia Canto-Maza,Walter Gabriel Feeding habits of the mojarras (Gerreidae) population in the hyperhaline lagoon system of Ría Lagartos, Yucatan, Mexico
description	ABSTRACT The trophic preferences and ontogenic variations were evaluated and compared between five species of mojarras collected bimonthly for two years (2004-2005) in the hyperhaline lagoon system of Ría Lagartos, Yucatan Peninsula. A total of 361 specimens corresponding to Eucinostomus argenteus, Eucinostomus gula, Eucinostomus harengulus, Eugerres plumieri and Diapterus auratus were collected and used for trophic analysis. The trophic components were analyzed using the Relative Importance Index (RII) and multivariate analysis. The mojarras were defined as second-order consumers, feeding on microcrustaceans (amphipods, copepods, tanaidaceous, ostracods) and significant amounts of detritus with variations in the proportion and frequency of different types of food according to their ontogeny and food availability. Three species shared the same resources. However, differences were observed at the general and ontogenetic level, avoiding inter and intraspecific competition. Results provide evidence of the importance of these coastal habitats for the trophic requirements of marine-euryhaline juvenile fish species.
author	Chi-Espínola,Ariel Adriano Vega-Cendejas,María Eugenia Canto-Maza,Walter Gabriel
author_facet	Chi-Espínola,Ariel Adriano Vega-Cendejas,María Eugenia Canto-Maza,Walter Gabriel
author_sort	Chi-Espínola,Ariel Adriano
title	Feeding habits of the mojarras (Gerreidae) population in the hyperhaline lagoon system of Ría Lagartos, Yucatan, Mexico
title_short	Feeding habits of the mojarras (Gerreidae) population in the hyperhaline lagoon system of Ría Lagartos, Yucatan, Mexico
title_full	Feeding habits of the mojarras (Gerreidae) population in the hyperhaline lagoon system of Ría Lagartos, Yucatan, Mexico
title_fullStr	Feeding habits of the mojarras (Gerreidae) population in the hyperhaline lagoon system of Ría Lagartos, Yucatan, Mexico
title_full_unstemmed	Feeding habits of the mojarras (Gerreidae) population in the hyperhaline lagoon system of Ría Lagartos, Yucatan, Mexico
title_sort	feeding habits of the mojarras (gerreidae) population in the hyperhaline lagoon system of ría lagartos, yucatan, mexico
publisher	Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar
publishDate	2018
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2018000400810
work_keys_str_mv	AT chiespinolaarieladriano feedinghabitsofthemojarrasgerreidaepopulationinthehyperhalinelagoonsystemofrialagartosyucatanmexico AT vegacendejasmariaeugenia feedinghabitsofthemojarrasgerreidaepopulationinthehyperhalinelagoonsystemofrialagartosyucatanmexico AT cantomazawaltergabriel feedinghabitsofthemojarrasgerreidaepopulationinthehyperhalinelagoonsystemofrialagartosyucatanmexico
_version_	1714205207358865408

Feeding habits of the mojarras (Gerreidae) population in the hyperhaline lagoon system of Ría Lagartos, Yucatan, Mexico

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