Reproductive biology of the dusky grouper Epinephelus marginatus (Lowe, 1834)

Detalhes bibliográficos
Autor(a) principal: Andrade,Áthila Bertoncini
Data de Publicação: 2003
Outros Autores: Machado,Leonardo Francisco, Hostim-Silva,Maurício, Barreiros,João Pedro
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Brazilian Archives of Biology and Technology
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132003000300009
Resumo: Investigations were carried out about the reproductive biology of the dusky grouper, Epinephelus marginatus (Lowe, 1834) a serranid protogynous hermaphrodite fish inhabitant of rocky bottoms from shallow waters up to 200 m depth. Samples were caught in the islands that form Arvoredo Biological Marine Reserve (SC - Brazil) and the coastal islands near Florianópolis region from March 1998 to May 2000. Data from samples of juvenile groupers on intertidal pools were used to link their occurrence in the pools to the post-spawning season. To describe the histological changes on gonads along the reproductive cycle and to establish maturation scales, 109 groupers were histologically tested for sex determination. First maturation size was determined for females (L50=470 mm; r²=0.99). The results of calculated gonadosomatic (GSI) and hepatosomatic (HSI) indexes, showed that maturation occurred along the spring months and the spawning activity during the summer with a peak in December. Liver recovery (HSI elevation) was evident in the autumn, was the post spawning season. The relationship between length and weight was W = 9 · 10-6 · TL3.1149 (r²=0.998; n=246).
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spelling Reproductive biology of the dusky grouper Epinephelus marginatus (Lowe, 1834)ReproductionDusky GrouperEpinephelus marginatusSanta CatarinaBrazilInvestigations were carried out about the reproductive biology of the dusky grouper, Epinephelus marginatus (Lowe, 1834) a serranid protogynous hermaphrodite fish inhabitant of rocky bottoms from shallow waters up to 200 m depth. Samples were caught in the islands that form Arvoredo Biological Marine Reserve (SC - Brazil) and the coastal islands near Florianópolis region from March 1998 to May 2000. Data from samples of juvenile groupers on intertidal pools were used to link their occurrence in the pools to the post-spawning season. To describe the histological changes on gonads along the reproductive cycle and to establish maturation scales, 109 groupers were histologically tested for sex determination. First maturation size was determined for females (L50=470 mm; r²=0.99). The results of calculated gonadosomatic (GSI) and hepatosomatic (HSI) indexes, showed that maturation occurred along the spring months and the spawning activity during the summer with a peak in December. Liver recovery (HSI elevation) was evident in the autumn, was the post spawning season. The relationship between length and weight was W = 9 · 10-6 · TL3.1149 (r²=0.998; n=246).Instituto de Tecnologia do Paraná - Tecpar2003-06-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132003000300009Brazilian Archives of Biology and Technology v.46 n.3 2003reponame:Brazilian Archives of Biology and Technologyinstname:Instituto de Tecnologia do Paraná (Tecpar)instacron:TECPAR10.1590/S1516-89132003000300009info:eu-repo/semantics/openAccessAndrade,Áthila BertonciniMachado,Leonardo FranciscoHostim-Silva,MaurícioBarreiros,João Pedroeng2003-11-18T00:00:00Zoai:scielo:S1516-89132003000300009Revistahttps://www.scielo.br/j/babt/https://old.scielo.br/oai/scielo-oai.phpbabt@tecpar.br||babt@tecpar.br1678-43241516-8913opendoar:2003-11-18T00:00Brazilian Archives of Biology and Technology - Instituto de Tecnologia do Paraná (Tecpar)false
dc.title.none.fl_str_mv Reproductive biology of the dusky grouper Epinephelus marginatus (Lowe, 1834)
title Reproductive biology of the dusky grouper Epinephelus marginatus (Lowe, 1834)
spellingShingle Reproductive biology of the dusky grouper Epinephelus marginatus (Lowe, 1834)
Andrade,Áthila Bertoncini
Reproduction
Dusky Grouper
Epinephelus marginatus
Santa Catarina
Brazil
title_short Reproductive biology of the dusky grouper Epinephelus marginatus (Lowe, 1834)
title_full Reproductive biology of the dusky grouper Epinephelus marginatus (Lowe, 1834)
title_fullStr Reproductive biology of the dusky grouper Epinephelus marginatus (Lowe, 1834)
title_full_unstemmed Reproductive biology of the dusky grouper Epinephelus marginatus (Lowe, 1834)
title_sort Reproductive biology of the dusky grouper Epinephelus marginatus (Lowe, 1834)
author Andrade,Áthila Bertoncini
author_facet Andrade,Áthila Bertoncini
Machado,Leonardo Francisco
Hostim-Silva,Maurício
Barreiros,João Pedro
author_role author
author2 Machado,Leonardo Francisco
Hostim-Silva,Maurício
Barreiros,João Pedro
author2_role author
author
author
dc.contributor.author.fl_str_mv Andrade,Áthila Bertoncini
Machado,Leonardo Francisco
Hostim-Silva,Maurício
Barreiros,João Pedro
dc.subject.por.fl_str_mv Reproduction
Dusky Grouper
Epinephelus marginatus
Santa Catarina
Brazil
topic Reproduction
Dusky Grouper
Epinephelus marginatus
Santa Catarina
Brazil
description Investigations were carried out about the reproductive biology of the dusky grouper, Epinephelus marginatus (Lowe, 1834) a serranid protogynous hermaphrodite fish inhabitant of rocky bottoms from shallow waters up to 200 m depth. Samples were caught in the islands that form Arvoredo Biological Marine Reserve (SC - Brazil) and the coastal islands near Florianópolis region from March 1998 to May 2000. Data from samples of juvenile groupers on intertidal pools were used to link their occurrence in the pools to the post-spawning season. To describe the histological changes on gonads along the reproductive cycle and to establish maturation scales, 109 groupers were histologically tested for sex determination. First maturation size was determined for females (L50=470 mm; r²=0.99). The results of calculated gonadosomatic (GSI) and hepatosomatic (HSI) indexes, showed that maturation occurred along the spring months and the spawning activity during the summer with a peak in December. Liver recovery (HSI elevation) was evident in the autumn, was the post spawning season. The relationship between length and weight was W = 9 · 10-6 · TL3.1149 (r²=0.998; n=246).
publishDate 2003
dc.date.none.fl_str_mv 2003-06-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
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status_str publishedVersion
dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132003000300009
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132003000300009
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/S1516-89132003000300009
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv Instituto de Tecnologia do Paraná - Tecpar
publisher.none.fl_str_mv Instituto de Tecnologia do Paraná - Tecpar
dc.source.none.fl_str_mv Brazilian Archives of Biology and Technology v.46 n.3 2003
reponame:Brazilian Archives of Biology and Technology
instname:Instituto de Tecnologia do Paraná (Tecpar)
instacron:TECPAR
instname_str Instituto de Tecnologia do Paraná (Tecpar)
instacron_str TECPAR
institution TECPAR
reponame_str Brazilian Archives of Biology and Technology
collection Brazilian Archives of Biology and Technology
repository.name.fl_str_mv Brazilian Archives of Biology and Technology - Instituto de Tecnologia do Paraná (Tecpar)
repository.mail.fl_str_mv babt@tecpar.br||babt@tecpar.br
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