Allometric growth in the fiddler crab Uca thayeri (Brachyura, Ocypodidae) from a subtropical mangrove
Autor(a) principal: | |
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Data de Publicação: | 2003 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1163/20021975-99990337 http://hdl.handle.net/11449/224309 |
Resumo: | The relative growth of U. thayeri was studied for a subtropical mangrove population in the estuary of the Comprido and Escuro rivers, Ubatuba, São Paulo State, Brazil. The evaluation of the morphological sexual maturity of U. thayeri was performed using the allometric technique. Remarkable ontogenetic changes were observed in the allometric growth of the male major cheliped and the female abdomen, indicating that these structures are closely connected to the timing of sexual maturity. For males, the relative-growth analysis of cheliped propodus length rendered an estimate of 13.8 mm of carapace width for the size at onset of sexual maturity. A distinct growth pattern was observed for the abdomen of U. thayeri females. It has a wide puberty size range (from 10.7 to 16.8 mm of CW) compared to other brachyurans previously studied. Thus, the females' abdominal growth can be represented by three growth phases: immature, transitional, and mature. The major cheliped is the right one in 50% of males. The median length of the male major cheliped did not differ between right- and left-handed crabs. |
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Allometric growth in the fiddler crab Uca thayeri (Brachyura, Ocypodidae) from a subtropical mangroveThe relative growth of U. thayeri was studied for a subtropical mangrove population in the estuary of the Comprido and Escuro rivers, Ubatuba, São Paulo State, Brazil. The evaluation of the morphological sexual maturity of U. thayeri was performed using the allometric technique. Remarkable ontogenetic changes were observed in the allometric growth of the male major cheliped and the female abdomen, indicating that these structures are closely connected to the timing of sexual maturity. For males, the relative-growth analysis of cheliped propodus length rendered an estimate of 13.8 mm of carapace width for the size at onset of sexual maturity. A distinct growth pattern was observed for the abdomen of U. thayeri females. It has a wide puberty size range (from 10.7 to 16.8 mm of CW) compared to other brachyurans previously studied. Thus, the females' abdominal growth can be represented by three growth phases: immature, transitional, and mature. The major cheliped is the right one in 50% of males. The median length of the male major cheliped did not differ between right- and left-handed crabs.Departamento de Zoologia Instituto de Biociências Universidade Estadual Paulista, Caixa Postal 510, 18618-000 Botucatu, São PauloDepartamento de Zoologia Instituto de Biociências Universidade Estadual Paulista, Caixa Postal 510, 18618-000 Botucatu, São PauloUniversidade Estadual Paulista (UNESP)Negreiros-Fransozo, Maria Lucia [UNESP]Colpo, Karine Delevati [UNESP]Costa, Tânia Márcia [UNESP]2022-04-28T19:55:53Z2022-04-28T19:55:53Z2003-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article273-279http://dx.doi.org/10.1163/20021975-99990337Journal of Crustacean Biology, v. 23, n. 2, p. 273-279, 2003.0278-0372http://hdl.handle.net/11449/22430910.1163/20021975-999903372-s2.0-0037566357Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengJournal of Crustacean Biologyinfo:eu-repo/semantics/openAccess2022-04-28T19:55:53Zoai:repositorio.unesp.br:11449/224309Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462022-04-28T19:55:53Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Allometric growth in the fiddler crab Uca thayeri (Brachyura, Ocypodidae) from a subtropical mangrove |
title |
Allometric growth in the fiddler crab Uca thayeri (Brachyura, Ocypodidae) from a subtropical mangrove |
spellingShingle |
Allometric growth in the fiddler crab Uca thayeri (Brachyura, Ocypodidae) from a subtropical mangrove Negreiros-Fransozo, Maria Lucia [UNESP] |
title_short |
Allometric growth in the fiddler crab Uca thayeri (Brachyura, Ocypodidae) from a subtropical mangrove |
title_full |
Allometric growth in the fiddler crab Uca thayeri (Brachyura, Ocypodidae) from a subtropical mangrove |
title_fullStr |
Allometric growth in the fiddler crab Uca thayeri (Brachyura, Ocypodidae) from a subtropical mangrove |
title_full_unstemmed |
Allometric growth in the fiddler crab Uca thayeri (Brachyura, Ocypodidae) from a subtropical mangrove |
title_sort |
Allometric growth in the fiddler crab Uca thayeri (Brachyura, Ocypodidae) from a subtropical mangrove |
author |
Negreiros-Fransozo, Maria Lucia [UNESP] |
author_facet |
Negreiros-Fransozo, Maria Lucia [UNESP] Colpo, Karine Delevati [UNESP] Costa, Tânia Márcia [UNESP] |
author_role |
author |
author2 |
Colpo, Karine Delevati [UNESP] Costa, Tânia Márcia [UNESP] |
author2_role |
author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (UNESP) |
dc.contributor.author.fl_str_mv |
Negreiros-Fransozo, Maria Lucia [UNESP] Colpo, Karine Delevati [UNESP] Costa, Tânia Márcia [UNESP] |
description |
The relative growth of U. thayeri was studied for a subtropical mangrove population in the estuary of the Comprido and Escuro rivers, Ubatuba, São Paulo State, Brazil. The evaluation of the morphological sexual maturity of U. thayeri was performed using the allometric technique. Remarkable ontogenetic changes were observed in the allometric growth of the male major cheliped and the female abdomen, indicating that these structures are closely connected to the timing of sexual maturity. For males, the relative-growth analysis of cheliped propodus length rendered an estimate of 13.8 mm of carapace width for the size at onset of sexual maturity. A distinct growth pattern was observed for the abdomen of U. thayeri females. It has a wide puberty size range (from 10.7 to 16.8 mm of CW) compared to other brachyurans previously studied. Thus, the females' abdominal growth can be represented by three growth phases: immature, transitional, and mature. The major cheliped is the right one in 50% of males. The median length of the male major cheliped did not differ between right- and left-handed crabs. |
publishDate |
2003 |
dc.date.none.fl_str_mv |
2003-01-01 2022-04-28T19:55:53Z 2022-04-28T19:55:53Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1163/20021975-99990337 Journal of Crustacean Biology, v. 23, n. 2, p. 273-279, 2003. 0278-0372 http://hdl.handle.net/11449/224309 10.1163/20021975-99990337 2-s2.0-0037566357 |
url |
http://dx.doi.org/10.1163/20021975-99990337 http://hdl.handle.net/11449/224309 |
identifier_str_mv |
Journal of Crustacean Biology, v. 23, n. 2, p. 273-279, 2003. 0278-0372 10.1163/20021975-99990337 2-s2.0-0037566357 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Journal of Crustacean Biology |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
273-279 |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1792962368549945344 |