Effects of competition and egg predation on shelter use by Octopus tehuelchus females

Autores
Narvarte, Maite Andrea; González, Raul Alberto Candido; Storero, Lorena Pia; Fernández, Miriam
Año de publicación
2013
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Parental care in the ocean ranges from provision to eggs and embryos to protection from predators. In particular, nest attendance has several benefits associated with relatively higher survival rates, lower vulnerability to predation and parasitism, and faster development rates. The quality of shelters matters, and adults of many species have to compete for suitable shelters. Here, we studied whether shelter type for brooding and egg protection from predation could be a determinant of competition among adults in the cephalopod Octopus tehuelchus. To this end, we (1) assessed the abundance of different types of shelters and preference under field and laboratory conditions, (2) tested the effect of intraspecific competition for shelters, (3) estimated density of potential sources of embryo mortality, and (4) determined the role of female protection in egg survival against predators. We found that in areas where shelters for development are scarce, females compete with males for the most suitable shelters. Fecundity depends on the female size, and shelters with higher volume are preferably selected by females. Excluding the brooding female from shelters resulted in increased egg mortality due to predation by octopus males and removal by chitons. We suggest that, in this species, shelter availability poses a constraint to brooding and affects total parental investment in reproduction and predation risk on eggs. This constraint may also take place in other marine invertebrates with similar life history traits, especially in areas where shelter is limited.
Fil: Narvarte, Maite Andrea. Universidad Nacional del Comahue. Instituto de Biología Marina y Pesquera Almirante Storni; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: González, Raul Alberto Candido. Universidad Nacional del Comahue. Instituto de Biología Marina y Pesquera Almirante Storni; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Storero, Lorena Pia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional del Comahue. Instituto de Biología Marina y Pesquera Almirante Storni; Argentina
Fil: Fernández, Miriam. Pontificia Universidad Católica de Chile; Chile
Materia
SHELTER USE
COMPETITION
PREDATION ON EGGS
OCTOPUS TEHUELCHUS
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/111148
Acceder
id CONICETDig_54f2901ebd6f35d7192b7f431c31afa6
oai_identifier_str oai:ri.conicet.gov.ar:11336/111148
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Effects of competition and egg predation on shelter use by Octopus tehuelchus femalesNarvarte, Maite AndreaGonzález, Raul Alberto CandidoStorero, Lorena PiaFernández, MiriamSHELTER USECOMPETITIONPREDATION ON EGGSOCTOPUS TEHUELCHUShttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1Parental care in the ocean ranges from provision to eggs and embryos to protection from predators. In particular, nest attendance has several benefits associated with relatively higher survival rates, lower vulnerability to predation and parasitism, and faster development rates. The quality of shelters matters, and adults of many species have to compete for suitable shelters. Here, we studied whether shelter type for brooding and egg protection from predation could be a determinant of competition among adults in the cephalopod Octopus tehuelchus. To this end, we (1) assessed the abundance of different types of shelters and preference under field and laboratory conditions, (2) tested the effect of intraspecific competition for shelters, (3) estimated density of potential sources of embryo mortality, and (4) determined the role of female protection in egg survival against predators. We found that in areas where shelters for development are scarce, females compete with males for the most suitable shelters. Fecundity depends on the female size, and shelters with higher volume are preferably selected by females. Excluding the brooding female from shelters resulted in increased egg mortality due to predation by octopus males and removal by chitons. We suggest that, in this species, shelter availability poses a constraint to brooding and affects total parental investment in reproduction and predation risk on eggs. This constraint may also take place in other marine invertebrates with similar life history traits, especially in areas where shelter is limited.Fil: Narvarte, Maite Andrea. Universidad Nacional del Comahue. Instituto de Biología Marina y Pesquera Almirante Storni; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: González, Raul Alberto Candido. Universidad Nacional del Comahue. Instituto de Biología Marina y Pesquera Almirante Storni; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Storero, Lorena Pia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional del Comahue. Instituto de Biología Marina y Pesquera Almirante Storni; ArgentinaFil: Fernández, Miriam. Pontificia Universidad Católica de Chile; ChileInter-Research2013-05info: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/11336/111148Narvarte, Maite Andrea; González, Raul Alberto Candido; Storero, Lorena Pia; Fernández, Miriam; Effects of competition and egg predation on shelter use by Octopus tehuelchus females; Inter-Research; Marine Ecology Progress Series; 482; 5-2013; 141-1510171-86301616-1599CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/http://www.int-res.com/abstracts/meps/v482/p141-151/info:eu-repo/semantics/altIdentifier/doi/10.3354/meps10237info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:00:29Zoai:ri.conicet.gov.ar:11336/111148instacron: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:34982025-09-29 10:00:29.737CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Effects of competition and egg predation on shelter use by Octopus tehuelchus females
title Effects of competition and egg predation on shelter use by Octopus tehuelchus females
spellingShingle Effects of competition and egg predation on shelter use by Octopus tehuelchus females
Narvarte, Maite Andrea
SHELTER USE
COMPETITION
PREDATION ON EGGS
OCTOPUS TEHUELCHUS
title_short Effects of competition and egg predation on shelter use by Octopus tehuelchus females
title_full Effects of competition and egg predation on shelter use by Octopus tehuelchus females
title_fullStr Effects of competition and egg predation on shelter use by Octopus tehuelchus females
title_full_unstemmed Effects of competition and egg predation on shelter use by Octopus tehuelchus females
title_sort Effects of competition and egg predation on shelter use by Octopus tehuelchus females
dc.creator.none.fl_str_mv Narvarte, Maite Andrea
González, Raul Alberto Candido
Storero, Lorena Pia
Fernández, Miriam
author Narvarte, Maite Andrea
author_facet Narvarte, Maite Andrea
González, Raul Alberto Candido
Storero, Lorena Pia
Fernández, Miriam
author_role author
author2 González, Raul Alberto Candido
Storero, Lorena Pia
Fernández, Miriam
author2_role author
author
author
dc.subject.none.fl_str_mv SHELTER USE
COMPETITION
PREDATION ON EGGS
OCTOPUS TEHUELCHUS
topic SHELTER USE
COMPETITION
PREDATION ON EGGS
OCTOPUS TEHUELCHUS
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv Parental care in the ocean ranges from provision to eggs and embryos to protection from predators. In particular, nest attendance has several benefits associated with relatively higher survival rates, lower vulnerability to predation and parasitism, and faster development rates. The quality of shelters matters, and adults of many species have to compete for suitable shelters. Here, we studied whether shelter type for brooding and egg protection from predation could be a determinant of competition among adults in the cephalopod Octopus tehuelchus. To this end, we (1) assessed the abundance of different types of shelters and preference under field and laboratory conditions, (2) tested the effect of intraspecific competition for shelters, (3) estimated density of potential sources of embryo mortality, and (4) determined the role of female protection in egg survival against predators. We found that in areas where shelters for development are scarce, females compete with males for the most suitable shelters. Fecundity depends on the female size, and shelters with higher volume are preferably selected by females. Excluding the brooding female from shelters resulted in increased egg mortality due to predation by octopus males and removal by chitons. We suggest that, in this species, shelter availability poses a constraint to brooding and affects total parental investment in reproduction and predation risk on eggs. This constraint may also take place in other marine invertebrates with similar life history traits, especially in areas where shelter is limited.
Fil: Narvarte, Maite Andrea. Universidad Nacional del Comahue. Instituto de Biología Marina y Pesquera Almirante Storni; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: González, Raul Alberto Candido. Universidad Nacional del Comahue. Instituto de Biología Marina y Pesquera Almirante Storni; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Storero, Lorena Pia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional del Comahue. Instituto de Biología Marina y Pesquera Almirante Storni; Argentina
Fil: Fernández, Miriam. Pontificia Universidad Católica de Chile; Chile
description Parental care in the ocean ranges from provision to eggs and embryos to protection from predators. In particular, nest attendance has several benefits associated with relatively higher survival rates, lower vulnerability to predation and parasitism, and faster development rates. The quality of shelters matters, and adults of many species have to compete for suitable shelters. Here, we studied whether shelter type for brooding and egg protection from predation could be a determinant of competition among adults in the cephalopod Octopus tehuelchus. To this end, we (1) assessed the abundance of different types of shelters and preference under field and laboratory conditions, (2) tested the effect of intraspecific competition for shelters, (3) estimated density of potential sources of embryo mortality, and (4) determined the role of female protection in egg survival against predators. We found that in areas where shelters for development are scarce, females compete with males for the most suitable shelters. Fecundity depends on the female size, and shelters with higher volume are preferably selected by females. Excluding the brooding female from shelters resulted in increased egg mortality due to predation by octopus males and removal by chitons. We suggest that, in this species, shelter availability poses a constraint to brooding and affects total parental investment in reproduction and predation risk on eggs. This constraint may also take place in other marine invertebrates with similar life history traits, especially in areas where shelter is limited.
publishDate 2013
dc.date.none.fl_str_mv 2013-05
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/11336/111148
Narvarte, Maite Andrea; González, Raul Alberto Candido; Storero, Lorena Pia; Fernández, Miriam; Effects of competition and egg predation on shelter use by Octopus tehuelchus females; Inter-Research; Marine Ecology Progress Series; 482; 5-2013; 141-151
0171-8630
1616-1599
CONICET Digital
CONICET
url http://hdl.handle.net/11336/111148
identifier_str_mv Narvarte, Maite Andrea; González, Raul Alberto Candido; Storero, Lorena Pia; Fernández, Miriam; Effects of competition and egg predation on shelter use by Octopus tehuelchus females; Inter-Research; Marine Ecology Progress Series; 482; 5-2013; 141-151
0171-8630
1616-1599
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.int-res.com/abstracts/meps/v482/p141-151/
info:eu-repo/semantics/altIdentifier/doi/10.3354/meps10237
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv Inter-Research
publisher.none.fl_str_mv Inter-Research
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
_version_ 1844613786580811776
score 13.070432

Publicaciones similares