Reproductive seasonality, oviposition and development of the nassariid whelk Buccinanops cochlidium (Dillwyn, 1817) in Patagonia, Argentina

Autores
Averbuj, Andres; Penchaszadeh, Pablo Enrique
Año de publicación
2010
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Seasonality of reproduction in Buccinanops cochlidium, including mating, oviposition and embryonic development, was studied within a population in Patagonia. Mating was observed mainly during autumn and winter (March to October). Females carrying egg capsules were found between July and October when water temperature was 10°C, while development of embryos continued until February (the hatching peak) when water temperature was 18°C. All egg capsule masses were found attached to the shells of females 80-102 mm in length. The spawn consisted of 80 to 238 egg capsules, attached to the apertural callus of the shell. Linear regression analysis showed no significant relationship between female size and number of egg capsules. Each egg capsule contained 3100 eggs on average, with a mean egg diameter before cleavage of 227.5 μm. One to 20 embryos completed their development within each egg capsule by ingesting around 570 nurse eggs. The embryos followed a typical holoblastic spiralian division until gastrulation. During the 'veliger' stage the embryo consumed nurse eggs and formed a large rounded embryo up to 2 mm in diameter. After shell development the embryos hatched as crawling juveniles of 4.0 mm shell length through an opening opposite to the capsule stalk. There was an inverse relationship between the mean hatching shell size and the number of embryos per egg capsule. Under laboratory conditions development was completed in four months.
Fil: Averbuj, Andres. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”; Argentina
Fil: Penchaszadeh, Pablo Enrique. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”; Argentina
Materia
Reproduction
Nassariidae
Embryonic Development
Buccinidae
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:11336/69585
Acceder
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network_name_str CONICET Digital (CONICET)
spelling Reproductive seasonality, oviposition and development of the nassariid whelk Buccinanops cochlidium (Dillwyn, 1817) in Patagonia, ArgentinaAverbuj, AndresPenchaszadeh, Pablo EnriqueReproductionNassariidaeEmbryonic DevelopmentBuccinidaehttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1Seasonality of reproduction in Buccinanops cochlidium, including mating, oviposition and embryonic development, was studied within a population in Patagonia. Mating was observed mainly during autumn and winter (March to October). Females carrying egg capsules were found between July and October when water temperature was 10°C, while development of embryos continued until February (the hatching peak) when water temperature was 18°C. All egg capsule masses were found attached to the shells of females 80-102 mm in length. The spawn consisted of 80 to 238 egg capsules, attached to the apertural callus of the shell. Linear regression analysis showed no significant relationship between female size and number of egg capsules. Each egg capsule contained 3100 eggs on average, with a mean egg diameter before cleavage of 227.5 μm. One to 20 embryos completed their development within each egg capsule by ingesting around 570 nurse eggs. The embryos followed a typical holoblastic spiralian division until gastrulation. During the 'veliger' stage the embryo consumed nurse eggs and formed a large rounded embryo up to 2 mm in diameter. After shell development the embryos hatched as crawling juveniles of 4.0 mm shell length through an opening opposite to the capsule stalk. There was an inverse relationship between the mean hatching shell size and the number of embryos per egg capsule. Under laboratory conditions development was completed in four months.Fil: Averbuj, Andres. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”; ArgentinaFil: Penchaszadeh, Pablo Enrique. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”; ArgentinaOxford University Press2010-02info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/69585Averbuj, Andres; Penchaszadeh, Pablo Enrique; Reproductive seasonality, oviposition and development of the nassariid whelk Buccinanops cochlidium (Dillwyn, 1817) in Patagonia, Argentina; Oxford University Press; Journal of Molluscan Studies; 76; 1; 2-2010; 25-320260-1230CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1093/mollus/eyp040info:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/mollus/article/76/1/25/1085212info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-15T14:20:51Zoai:ri.conicet.gov.ar:11336/69585instacron: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:34982025-10-15 14:20:51.751CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Reproductive seasonality, oviposition and development of the nassariid whelk Buccinanops cochlidium (Dillwyn, 1817) in Patagonia, Argentina
title Reproductive seasonality, oviposition and development of the nassariid whelk Buccinanops cochlidium (Dillwyn, 1817) in Patagonia, Argentina
spellingShingle Reproductive seasonality, oviposition and development of the nassariid whelk Buccinanops cochlidium (Dillwyn, 1817) in Patagonia, Argentina
Averbuj, Andres
Reproduction
Nassariidae
Embryonic Development
Buccinidae
title_short Reproductive seasonality, oviposition and development of the nassariid whelk Buccinanops cochlidium (Dillwyn, 1817) in Patagonia, Argentina
title_full Reproductive seasonality, oviposition and development of the nassariid whelk Buccinanops cochlidium (Dillwyn, 1817) in Patagonia, Argentina
title_fullStr Reproductive seasonality, oviposition and development of the nassariid whelk Buccinanops cochlidium (Dillwyn, 1817) in Patagonia, Argentina
title_full_unstemmed Reproductive seasonality, oviposition and development of the nassariid whelk Buccinanops cochlidium (Dillwyn, 1817) in Patagonia, Argentina
title_sort Reproductive seasonality, oviposition and development of the nassariid whelk Buccinanops cochlidium (Dillwyn, 1817) in Patagonia, Argentina
dc.creator.none.fl_str_mv Averbuj, Andres
Penchaszadeh, Pablo Enrique
author Averbuj, Andres
author_facet Averbuj, Andres
Penchaszadeh, Pablo Enrique
author_role author
author2 Penchaszadeh, Pablo Enrique
author2_role author
dc.subject.none.fl_str_mv Reproduction
Nassariidae
Embryonic Development
Buccinidae
topic Reproduction
Nassariidae
Embryonic Development
Buccinidae
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv Seasonality of reproduction in Buccinanops cochlidium, including mating, oviposition and embryonic development, was studied within a population in Patagonia. Mating was observed mainly during autumn and winter (March to October). Females carrying egg capsules were found between July and October when water temperature was 10°C, while development of embryos continued until February (the hatching peak) when water temperature was 18°C. All egg capsule masses were found attached to the shells of females 80-102 mm in length. The spawn consisted of 80 to 238 egg capsules, attached to the apertural callus of the shell. Linear regression analysis showed no significant relationship between female size and number of egg capsules. Each egg capsule contained 3100 eggs on average, with a mean egg diameter before cleavage of 227.5 μm. One to 20 embryos completed their development within each egg capsule by ingesting around 570 nurse eggs. The embryos followed a typical holoblastic spiralian division until gastrulation. During the 'veliger' stage the embryo consumed nurse eggs and formed a large rounded embryo up to 2 mm in diameter. After shell development the embryos hatched as crawling juveniles of 4.0 mm shell length through an opening opposite to the capsule stalk. There was an inverse relationship between the mean hatching shell size and the number of embryos per egg capsule. Under laboratory conditions development was completed in four months.
Fil: Averbuj, Andres. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”; Argentina
Fil: Penchaszadeh, Pablo Enrique. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”; Argentina
description Seasonality of reproduction in Buccinanops cochlidium, including mating, oviposition and embryonic development, was studied within a population in Patagonia. Mating was observed mainly during autumn and winter (March to October). Females carrying egg capsules were found between July and October when water temperature was 10°C, while development of embryos continued until February (the hatching peak) when water temperature was 18°C. All egg capsule masses were found attached to the shells of females 80-102 mm in length. The spawn consisted of 80 to 238 egg capsules, attached to the apertural callus of the shell. Linear regression analysis showed no significant relationship between female size and number of egg capsules. Each egg capsule contained 3100 eggs on average, with a mean egg diameter before cleavage of 227.5 μm. One to 20 embryos completed their development within each egg capsule by ingesting around 570 nurse eggs. The embryos followed a typical holoblastic spiralian division until gastrulation. During the 'veliger' stage the embryo consumed nurse eggs and formed a large rounded embryo up to 2 mm in diameter. After shell development the embryos hatched as crawling juveniles of 4.0 mm shell length through an opening opposite to the capsule stalk. There was an inverse relationship between the mean hatching shell size and the number of embryos per egg capsule. Under laboratory conditions development was completed in four months.
publishDate 2010
dc.date.none.fl_str_mv 2010-02
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/11336/69585
Averbuj, Andres; Penchaszadeh, Pablo Enrique; Reproductive seasonality, oviposition and development of the nassariid whelk Buccinanops cochlidium (Dillwyn, 1817) in Patagonia, Argentina; Oxford University Press; Journal of Molluscan Studies; 76; 1; 2-2010; 25-32
0260-1230
CONICET Digital
CONICET
url http://hdl.handle.net/11336/69585
identifier_str_mv Averbuj, Andres; Penchaszadeh, Pablo Enrique; Reproductive seasonality, oviposition and development of the nassariid whelk Buccinanops cochlidium (Dillwyn, 1817) in Patagonia, Argentina; Oxford University Press; Journal of Molluscan Studies; 76; 1; 2-2010; 25-32
0260-1230
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1093/mollus/eyp040
info:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/mollus/article/76/1/25/1085212
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
dc.publisher.none.fl_str_mv Oxford University Press
publisher.none.fl_str_mv Oxford University Press
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 12.891075

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