Diet induces phenotypic plasticity of Percichthys trucha (Valenciennes, 1833) (Perciformes, Percichthyidae) in Patagonia

Autores
Crichigno, Sonia Alejandra; Battini, Miguel Ángel; Cussac, Victor Enrique
Año de publicación
2014
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The South American fish genus Percichthys, due to its great morphological variation, has included several nominal species throughout a long history. However, current genetic analyses signal the existence of only two extant species, Percichthys melanops Girard in Chile (west of the Andes) and P. trucha (Valenciennes) in Chile and Argentina (west and east of the Andes). Here the morphological variation of free embryos, larvae, and juveniles of P. trucha was analyzed using linear measurements and geometric morphometrics. Early morphological variation and compensatory growth were examined using sibling free embryos and larva. Morphological consequences of experimentally controlled food treatments were explored in juveniles. Our results showed individual variation in the size of the yolk-sac of free embryos and in the duration of the mixed feeding period. Phenotypic convergence of the upper jaw length from larva to juveniles and adults, and the causal relationship between diet and head shape was found to change as a consequence of controlled feeding. Embryonic, larval, and juvenile morphological variation and phenotypic plasticity observed in P. trucha pinpoint a possible cause for the shape variation observed in the wild. Phenotypic plasticity allows P. trucha to exploit different trophic resources and to occupy different habitats in low biodiversity lakes of Patagonia, being a major factor taking part in the past and present success of P. trucha.
Fil: Crichigno, Sonia Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina
Fil: Battini, Miguel Ángel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina
Fil: Cussac, Victor Enrique. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina
Materia
Morphological Variation
Body Shape
Patagonia
Southern Argentine
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/24541
Acceder
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network_name_str CONICET Digital (CONICET)
spelling Diet induces phenotypic plasticity of Percichthys trucha (Valenciennes, 1833) (Perciformes, Percichthyidae) in PatagoniaCrichigno, Sonia AlejandraBattini, Miguel ÁngelCussac, Victor EnriqueMorphological VariationBody ShapePatagoniaSouthern Argentinehttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1The South American fish genus Percichthys, due to its great morphological variation, has included several nominal species throughout a long history. However, current genetic analyses signal the existence of only two extant species, Percichthys melanops Girard in Chile (west of the Andes) and P. trucha (Valenciennes) in Chile and Argentina (west and east of the Andes). Here the morphological variation of free embryos, larvae, and juveniles of P. trucha was analyzed using linear measurements and geometric morphometrics. Early morphological variation and compensatory growth were examined using sibling free embryos and larva. Morphological consequences of experimentally controlled food treatments were explored in juveniles. Our results showed individual variation in the size of the yolk-sac of free embryos and in the duration of the mixed feeding period. Phenotypic convergence of the upper jaw length from larva to juveniles and adults, and the causal relationship between diet and head shape was found to change as a consequence of controlled feeding. Embryonic, larval, and juvenile morphological variation and phenotypic plasticity observed in P. trucha pinpoint a possible cause for the shape variation observed in the wild. Phenotypic plasticity allows P. trucha to exploit different trophic resources and to occupy different habitats in low biodiversity lakes of Patagonia, being a major factor taking part in the past and present success of P. trucha.Fil: Crichigno, Sonia Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; ArgentinaFil: Battini, Miguel Ángel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; ArgentinaFil: Cussac, Victor Enrique. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; ArgentinaElsevier Gmbh2014-02-14info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/24541Crichigno, Sonia Alejandra; Battini, Miguel Ángel; Cussac, Victor Enrique; Diet induces phenotypic plasticity of Percichthys trucha (Valenciennes, 1833) (Perciformes, Percichthyidae) in Patagonia; Elsevier Gmbh; Zoologischer Anzeiger; 253; 3; 14-2-2014; 192-2020044-5231CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0044523113000934info:eu-repo/semantics/altIdentifier/doi/10.1016/j.jcz.2013.12.002info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-nd/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-10T13:01:18Zoai:ri.conicet.gov.ar:11336/24541instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-10 13:01:18.324CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Diet induces phenotypic plasticity of Percichthys trucha (Valenciennes, 1833) (Perciformes, Percichthyidae) in Patagonia
title Diet induces phenotypic plasticity of Percichthys trucha (Valenciennes, 1833) (Perciformes, Percichthyidae) in Patagonia
spellingShingle Diet induces phenotypic plasticity of Percichthys trucha (Valenciennes, 1833) (Perciformes, Percichthyidae) in Patagonia
Crichigno, Sonia Alejandra
Morphological Variation
Body Shape
Patagonia
Southern Argentine
title_short Diet induces phenotypic plasticity of Percichthys trucha (Valenciennes, 1833) (Perciformes, Percichthyidae) in Patagonia
title_full Diet induces phenotypic plasticity of Percichthys trucha (Valenciennes, 1833) (Perciformes, Percichthyidae) in Patagonia
title_fullStr Diet induces phenotypic plasticity of Percichthys trucha (Valenciennes, 1833) (Perciformes, Percichthyidae) in Patagonia
title_full_unstemmed Diet induces phenotypic plasticity of Percichthys trucha (Valenciennes, 1833) (Perciformes, Percichthyidae) in Patagonia
title_sort Diet induces phenotypic plasticity of Percichthys trucha (Valenciennes, 1833) (Perciformes, Percichthyidae) in Patagonia
dc.creator.none.fl_str_mv Crichigno, Sonia Alejandra
Battini, Miguel Ángel
Cussac, Victor Enrique
author Crichigno, Sonia Alejandra
author_facet Crichigno, Sonia Alejandra
Battini, Miguel Ángel
Cussac, Victor Enrique
author_role author
author2 Battini, Miguel Ángel
Cussac, Victor Enrique
author2_role author
author
dc.subject.none.fl_str_mv Morphological Variation
Body Shape
Patagonia
Southern Argentine
topic Morphological Variation
Body Shape
Patagonia
Southern Argentine
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv The South American fish genus Percichthys, due to its great morphological variation, has included several nominal species throughout a long history. However, current genetic analyses signal the existence of only two extant species, Percichthys melanops Girard in Chile (west of the Andes) and P. trucha (Valenciennes) in Chile and Argentina (west and east of the Andes). Here the morphological variation of free embryos, larvae, and juveniles of P. trucha was analyzed using linear measurements and geometric morphometrics. Early morphological variation and compensatory growth were examined using sibling free embryos and larva. Morphological consequences of experimentally controlled food treatments were explored in juveniles. Our results showed individual variation in the size of the yolk-sac of free embryos and in the duration of the mixed feeding period. Phenotypic convergence of the upper jaw length from larva to juveniles and adults, and the causal relationship between diet and head shape was found to change as a consequence of controlled feeding. Embryonic, larval, and juvenile morphological variation and phenotypic plasticity observed in P. trucha pinpoint a possible cause for the shape variation observed in the wild. Phenotypic plasticity allows P. trucha to exploit different trophic resources and to occupy different habitats in low biodiversity lakes of Patagonia, being a major factor taking part in the past and present success of P. trucha.
Fil: Crichigno, Sonia Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina
Fil: Battini, Miguel Ángel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina
Fil: Cussac, Victor Enrique. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina
description The South American fish genus Percichthys, due to its great morphological variation, has included several nominal species throughout a long history. However, current genetic analyses signal the existence of only two extant species, Percichthys melanops Girard in Chile (west of the Andes) and P. trucha (Valenciennes) in Chile and Argentina (west and east of the Andes). Here the morphological variation of free embryos, larvae, and juveniles of P. trucha was analyzed using linear measurements and geometric morphometrics. Early morphological variation and compensatory growth were examined using sibling free embryos and larva. Morphological consequences of experimentally controlled food treatments were explored in juveniles. Our results showed individual variation in the size of the yolk-sac of free embryos and in the duration of the mixed feeding period. Phenotypic convergence of the upper jaw length from larva to juveniles and adults, and the causal relationship between diet and head shape was found to change as a consequence of controlled feeding. Embryonic, larval, and juvenile morphological variation and phenotypic plasticity observed in P. trucha pinpoint a possible cause for the shape variation observed in the wild. Phenotypic plasticity allows P. trucha to exploit different trophic resources and to occupy different habitats in low biodiversity lakes of Patagonia, being a major factor taking part in the past and present success of P. trucha.
publishDate 2014
dc.date.none.fl_str_mv 2014-02-14
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/24541
Crichigno, Sonia Alejandra; Battini, Miguel Ángel; Cussac, Victor Enrique; Diet induces phenotypic plasticity of Percichthys trucha (Valenciennes, 1833) (Perciformes, Percichthyidae) in Patagonia; Elsevier Gmbh; Zoologischer Anzeiger; 253; 3; 14-2-2014; 192-202
0044-5231
CONICET Digital
CONICET
url http://hdl.handle.net/11336/24541
identifier_str_mv Crichigno, Sonia Alejandra; Battini, Miguel Ángel; Cussac, Victor Enrique; Diet induces phenotypic plasticity of Percichthys trucha (Valenciennes, 1833) (Perciformes, Percichthyidae) in Patagonia; Elsevier Gmbh; Zoologischer Anzeiger; 253; 3; 14-2-2014; 192-202
0044-5231
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0044523113000934
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.jcz.2013.12.002
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv Elsevier Gmbh
publisher.none.fl_str_mv Elsevier Gmbh
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 12.48226

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