Implications of physical key factors in the early rearing of the long-snouted seahorse hippocampus guttulatus

9 páginas, 3 figuras, 2 tablas

Detalles Bibliográficos
Autores: Blanco, Andreu, Chamorro, Alexandro, Planas, Miguel
Tipo de recurso: artículo
Fecha de publicación:2014
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/100534
Acceso en línea:http://hdl.handle.net/10261/100534
Access Level:acceso abierto
Palabra clave:Aquaria design
Photoperiod
Aeration
Seahorses
Hippocampus guttulatus
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spelling Implications of physical key factors in the early rearing of the long-snouted seahorse hippocampus guttulatusBlanco, AndreuChamorro, AlexandroPlanas, MiguelAquaria designPhotoperiodAerationSeahorsesHippocampus guttulatus9 páginas, 3 figuras, 2 tablasAlthough breeding conditions are rather well established for some seahorse species (Hippocampus spp.), zootechnics and the effect of non-biological factors are still unknown for many species. The present study is focussed on the effects of aquarium type/design, photoperiod regime and aeration level on the early performance (growth and survival) of Hippocampus guttulatus juveniles. Three aquarium types were evaluated: pseudoKreisel, spherical and rectangular. Juveniles grown in pseudoKreisel aquaria showed lower growth rates but significantly higher survivals (69 ± 15%) at day 30 after male's pouch release (DAR) when compared to either spherical (30 ± 22%) or rectangular (16 ± 12%) aquaria. Survival enhancement in pseudoKreisel aquaria was mainly related to the very lower proportion of juveniles showing swim bladder hyperinflation during the first days of life. Conversely, the other aquarium types did not avoid juveniles to remain near water surface and to gulp air in excess for swim bladder inflation. The effects of light regime and aeration level were assayed in H. guttulatus juveniles reared in all three aquarium types or in pseudoKreisel aquaria only, respectively. In general, the application of extended (continuous light) or natural photoperiods (day–night cycle; 16 h light:8 h dark) did not affect survival nor growth significantly. On the other hand, aeration levels in pseudoKreisel aquaria significantly affected juvenile survival. Survivals in 30 day old seahorses reared under a strong aeration were significantly higher (41 ± 12%) than when reared under weak aeration (13 ± 0%). Strong aeration levels enhanced the distribution of juveniles in the aquaria and diminished both their over-exposition to water surface and the resulting appearance of hyperinflation problems. The overall results suggest that the best rearing conditions were met when H. guttulatus juveniles grew in pseudoKreisel aquaria under both a strong aeration level and, to a lesser extent, a natural photoperiod regime, due to a slight enhancement in seahorse juvenile performanceThe study was financed by Project CGL2009-08386 (Spanish Government) and the Regional Government of Galicia (Xunta de Galicia, Project 09MDS022402PR). A. Blanco was supported by a PhD JAE-Pre Grant (Junta para la Ampliación de Estudios Program) from the Spanish National Research Council (CSIC), co-financed by the European Social Fund (JAEPre_09_01434)Peer reviewedElsevierConsejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]201420142014info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501http://hdl.handle.net/10261/100534reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)InglésSíinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/1005342026-05-22T06:33:51Z
dc.title.none.fl_str_mv Implications of physical key factors in the early rearing of the long-snouted seahorse hippocampus guttulatus
title Implications of physical key factors in the early rearing of the long-snouted seahorse hippocampus guttulatus
spellingShingle Implications of physical key factors in the early rearing of the long-snouted seahorse hippocampus guttulatus
Blanco, Andreu
Aquaria design
Photoperiod
Aeration
Seahorses
Hippocampus guttulatus
title_short Implications of physical key factors in the early rearing of the long-snouted seahorse hippocampus guttulatus
title_full Implications of physical key factors in the early rearing of the long-snouted seahorse hippocampus guttulatus
title_fullStr Implications of physical key factors in the early rearing of the long-snouted seahorse hippocampus guttulatus
title_full_unstemmed Implications of physical key factors in the early rearing of the long-snouted seahorse hippocampus guttulatus
title_sort Implications of physical key factors in the early rearing of the long-snouted seahorse hippocampus guttulatus
dc.creator.none.fl_str_mv Blanco, Andreu
Chamorro, Alexandro
Planas, Miguel
author Blanco, Andreu
author_facet Blanco, Andreu
Chamorro, Alexandro
Planas, Miguel
author_role author
author2 Chamorro, Alexandro
Planas, Miguel
author2_role author
author
dc.contributor.none.fl_str_mv Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Aquaria design
Photoperiod
Aeration
Seahorses
Hippocampus guttulatus
topic Aquaria design
Photoperiod
Aeration
Seahorses
Hippocampus guttulatus
description 9 páginas, 3 figuras, 2 tablas
publishDate 2014
dc.date.none.fl_str_mv 2014
2014
2014
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/100534
url http://hdl.handle.net/10261/100534
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
_version_ 1869410368559775744
score 15,811543

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