Herbivory and seasonal changes in diet of a highly endemic cyprinodontid fish (Aphanius farsicus)

Trophic ecology is essential to understand ecosystem functioning and structure and assist biological conservation. Here we investigate, for the first time, the feeding ecology of Aphanius farsicus, a cyprinodontid fish endemic of a single landlocked river basin in central Iran. We sampled monthly a...

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Autores: Alcaraz Cazorla, Carles, Gholami, Zeinab, Esmaeili, Hamid Reza, García-Berthou, Emili
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2015
País:España
Institución:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
Repositorio:Recercat. Dipósit de la Recerca de Catalunya
OAI Identifier:oai:recercat.cat:10256/12996
Acceso en línea:http://hdl.handle.net/10256/12996
Access Level:acceso embargado
Palabra clave:Cipriniformes -- Iran
Cypriniformes -- Iran
Peixos d'aigua dolça -- Alimentació
Freshwater fishes -- Feeding and feeds
Ecologia d'aigua dolça -- Iran
Freshwater ecology -- Iran
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spelling Herbivory and seasonal changes in diet of a highly endemic cyprinodontid fish (Aphanius farsicus)Alcaraz Cazorla, CarlesGholami, ZeinabEsmaeili, Hamid RezaGarcía-Berthou, EmiliCipriniformes -- IranCypriniformes -- IranPeixos d'aigua dolça -- AlimentacióFreshwater fishes -- Feeding and feedsEcologia d'aigua dolça -- IranFreshwater ecology -- IranTrophic ecology is essential to understand ecosystem functioning and structure and assist biological conservation. Here we investigate, for the first time, the feeding ecology of Aphanius farsicus, a cyprinodontid fish endemic of a single landlocked river basin in central Iran. We sampled monthly a population of this fish species during a year and examined differences in food across seasons, sexes and sizes. Similarly to other cyprinodonts, A. farsicus showed sexual dimorphism and more abundance of females. Size structure and individual condition varied across seasons, with larger fish in spring and better condition in summer and less in winter. We found no empty guts, suggesting that these fish feed all year round due to the warm climate of its native distribution. Farsi toothcarp diet was based on detritus, algae (particularly diatoms, green algae, and cyanobacteria), and small invertebrates. Seasonal variation in diet was more important than variation due to fish size and the Farsi toothcarp consumed more green algae in spring and early summer and more diatoms and insects the rest of the year. Herbivory was considerable, similarly to a few other cyprinodonts, and increased with fish size, particularly because of higher consumption of green algae. As with species composition in diet, season was more important than size in the variation of number, biovolume, mean size, and diversity of prey captured, with higher number, richness and size of prey captured in summer. The ontogenetic diet shift was less marked in this cyprinodont than in many other Aphanius species, probably due to its reduced size and the resource availability of its habitat, but was also shown by size-dependent feeding selectivity for a few invertebratesFinancial support was provided by the Deutscher Akademischer Austauschdienst (DAAD) through a doctoral fellowship to ZG and by the Spanish Ministry of Science (projects CGL2009-12877-C02-01 and Consolider-Ingenio 2010 CSD2009-00065)Springer VerlagMinisterio de Ciencia e Innovación (Espanya)infoinfo2015info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://hdl.handle.net/10256/12996http://hdl.handle.net/10256/12996© Environmental Biology of Fishes, 2015, vol. 98, núm. 6, p. 1541-1554Articles publicats (D-CCAA)reponame:Recercat. Dipósit de la Recerca de Catalunyainstname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)Inglésinfo:eu-repo/semantics/altIdentifier/doi/10.1007/s10641-015-0381-9info:eu-repo/semantics/altIdentifier/issn/0378-1909info:eu-repo/semantics/altIdentifier/eissn/1573-5133MICINN/PN 2010-2012/CGL2009-12877-C02-01info:eu-repo/grantAgreement/MICINN//CSD2009-00065Tots els drets reservatsinfo:eu-repo/semantics/embargoedAccessoai:recercat.cat:10256/129962026-05-29T05:05:01Z
dc.title.none.fl_str_mv Herbivory and seasonal changes in diet of a highly endemic cyprinodontid fish (Aphanius farsicus)
title Herbivory and seasonal changes in diet of a highly endemic cyprinodontid fish (Aphanius farsicus)
spellingShingle Herbivory and seasonal changes in diet of a highly endemic cyprinodontid fish (Aphanius farsicus)
Alcaraz Cazorla, Carles
Cipriniformes -- Iran
Cypriniformes -- Iran
Peixos d'aigua dolça -- Alimentació
Freshwater fishes -- Feeding and feeds
Ecologia d'aigua dolça -- Iran
Freshwater ecology -- Iran
title_short Herbivory and seasonal changes in diet of a highly endemic cyprinodontid fish (Aphanius farsicus)
title_full Herbivory and seasonal changes in diet of a highly endemic cyprinodontid fish (Aphanius farsicus)
title_fullStr Herbivory and seasonal changes in diet of a highly endemic cyprinodontid fish (Aphanius farsicus)
title_full_unstemmed Herbivory and seasonal changes in diet of a highly endemic cyprinodontid fish (Aphanius farsicus)
title_sort Herbivory and seasonal changes in diet of a highly endemic cyprinodontid fish (Aphanius farsicus)
dc.creator.none.fl_str_mv Alcaraz Cazorla, Carles
Gholami, Zeinab
Esmaeili, Hamid Reza
García-Berthou, Emili
author Alcaraz Cazorla, Carles
author_facet Alcaraz Cazorla, Carles
Gholami, Zeinab
Esmaeili, Hamid Reza
García-Berthou, Emili
author_role author
author2 Gholami, Zeinab
Esmaeili, Hamid Reza
García-Berthou, Emili
author2_role author
author
author
dc.contributor.none.fl_str_mv Ministerio de Ciencia e Innovación (Espanya)
dc.subject.none.fl_str_mv Cipriniformes -- Iran
Cypriniformes -- Iran
Peixos d'aigua dolça -- Alimentació
Freshwater fishes -- Feeding and feeds
Ecologia d'aigua dolça -- Iran
Freshwater ecology -- Iran
topic Cipriniformes -- Iran
Cypriniformes -- Iran
Peixos d'aigua dolça -- Alimentació
Freshwater fishes -- Feeding and feeds
Ecologia d'aigua dolça -- Iran
Freshwater ecology -- Iran
description Trophic ecology is essential to understand ecosystem functioning and structure and assist biological conservation. Here we investigate, for the first time, the feeding ecology of Aphanius farsicus, a cyprinodontid fish endemic of a single landlocked river basin in central Iran. We sampled monthly a population of this fish species during a year and examined differences in food across seasons, sexes and sizes. Similarly to other cyprinodonts, A. farsicus showed sexual dimorphism and more abundance of females. Size structure and individual condition varied across seasons, with larger fish in spring and better condition in summer and less in winter. We found no empty guts, suggesting that these fish feed all year round due to the warm climate of its native distribution. Farsi toothcarp diet was based on detritus, algae (particularly diatoms, green algae, and cyanobacteria), and small invertebrates. Seasonal variation in diet was more important than variation due to fish size and the Farsi toothcarp consumed more green algae in spring and early summer and more diatoms and insects the rest of the year. Herbivory was considerable, similarly to a few other cyprinodonts, and increased with fish size, particularly because of higher consumption of green algae. As with species composition in diet, season was more important than size in the variation of number, biovolume, mean size, and diversity of prey captured, with higher number, richness and size of prey captured in summer. The ontogenetic diet shift was less marked in this cyprinodont than in many other Aphanius species, probably due to its reduced size and the resource availability of its habitat, but was also shown by size-dependent feeding selectivity for a few invertebrates
publishDate 2015
dc.date.none.fl_str_mv 2015
info
info
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10256/12996
http://hdl.handle.net/10256/12996
url http://hdl.handle.net/10256/12996
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1007/s10641-015-0381-9
info:eu-repo/semantics/altIdentifier/issn/0378-1909
info:eu-repo/semantics/altIdentifier/eissn/1573-5133
MICINN/PN 2010-2012/CGL2009-12877-C02-01
info:eu-repo/grantAgreement/MICINN//CSD2009-00065
dc.rights.none.fl_str_mv Tots els drets reservats
info:eu-repo/semantics/embargoedAccess
rights_invalid_str_mv Tots els drets reservats
eu_rights_str_mv embargoedAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Springer Verlag
publisher.none.fl_str_mv Springer Verlag
dc.source.none.fl_str_mv © Environmental Biology of Fishes, 2015, vol. 98, núm. 6, p. 1541-1554
Articles publicats (D-CCAA)
reponame:Recercat. Dipósit de la Recerca de Catalunya
instname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
instname_str Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
reponame_str Recercat. Dipósit de la Recerca de Catalunya
collection Recercat. Dipósit de la Recerca de Catalunya
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,811543

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